We look at the division of 86660917 by 789 
We're looking to find how many times 789 goes into 86660917.

Let's proceed to step 1:
When dividing 8 by 789, we get 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (6) of the dividend behind the 8 and repeat the process: 86 / 789

On to step 2:
789 goes into 86 0 times with a remainder of 86.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 86 and we're left with 86.
Grab the next digit (6) from the dividend, add it to 86, then carry on: 866 / 789

Let's proceed to step 3:
The number 789 fits into 866 1 times, leaving a remainder of 77.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 789 away from 866, we end up with 77.
Take the next digit (6) from the dividend and append it to 77, then repeat: 776 / 789

Let's proceed to step 4:
776 divided by 789 is 0 with a remainder of 776.
The next digit of our result is 0. 
Result so far: 10.0
If we subtract 0 from 776, we get 776.
Append the next digit (0) from the dividend to 776 and continue with: 7760 / 789

Let's proceed to step 5:
7760 divided by 789 is 9 with a remainder of 659.
Record the quotient 9 as the next digit in the result. 
Result so far: 109.0
The remainder is 659 after subtracting 7101 from 7760.
Include the next digit (9) from the dividend after 659, then repeat: 6599 / 789

On to step 6:
The number 789 fits into 6599 8 times, leaving a remainder of 287.
The next digit of our result is 8. 
Result so far: 1098.0
Subtracting 6312 from 6599 leaves us with 287.
Include the next digit (1) from the dividend after 287, then repeat: 2871 / 789

Going ahead to step 7:
789 can be fit into 2871 3 times, resulting in a remainder of 504.
Use 3 as the next digit of our solution. 
Result so far: 10983.0
If we take 2367 away from 2871, we end up with 504.
Append the next digit (7) from the dividend to 504 and continue with: 5047 / 789

Advancing to step 8:
789 goes into 5047 6 times with a remainder of 313.
The number 6 becomes the next digit in our result. 
Result so far: 109836.0
Subtract 4734 from 5047 to get 313.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3130, and continue the process.

Moving on to step 9:
The number 789 fits into 3130 3 times, leaving a remainder of 763.
Use 3 as the next digit of our solution. 
Result so far: 109836.3
Deduct 2367 from 3130 and we're left with 763.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7630, and continue the process.

Let's proceed to step 10:
789 can be fit into 7630 9 times, resulting in a remainder of 529.
Record the quotient 9 as the next digit in the result. 
Result so far: 109836.39
If we subtract 7101 from 7630, we get 529.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5290, and continue the process.

Advancing to step 11:
If we divide 5290 by 789, we get 6 and a remainder of 556.
The number 6 becomes the next digit in our result. 
Result so far: 109836.396
Deduct 4734 from 5290 and we're left with 556.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5560, and continue the process.

Advancing to step 12:
5560 divided by 789 is 7 with a remainder of 37.
Put 7 as the next digit of the answer. 
Result so far: 109836.3967
If we subtract 5523 from 5560, we get 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Step 13:
789 can be fit into 370 0 times, resulting in a remainder of 370.
Use 0 as the next digit of our solution. 
Result so far: 109836.3967
If we subtract 0 from 370, we get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

On to step 14:
The number 789 fits into 3700 4 times, leaving a remainder of 544.
Record the quotient 4 as the next digit in the result. 
Result so far: 109836.396704
Subtract 3156 from 3700 to get 544.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5440, and continue the process.

Moving on to step 15:
5440 divided by 789 is 6 with a remainder of 706.
Record the quotient 6 as the next digit in the result. 
Result so far: 109836.3967046
Subtract 4734 from 5440 to get 706.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7060, and continue the process.

Advancing to step 16:
789 can be fit into 7060 8 times, resulting in a remainder of 748.
Use 8 as the next digit of our solution. 
Result so far: 109836.39670468
The remainder is 748 after subtracting 6312 from 7060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7480, and continue the process.

Our division results in 109836.39670468 with a remaining 7.48e-07.