86615766 ÷ 593 
We want to figure out the number of times 86615766 can be divided by 593.

Advancing to step 1:
593 goes into 8 0 times with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Include the next digit (6) from the dividend after 8, then repeat: 86 / 593

Going ahead to step 2:
593 goes into 86 0 times with a remainder of 86.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 86, we get 86.
Fetch the next digit (6) from the dividend, attach it to 86 and continue: 866 / 593

Moving on to step 3:
If we divide 866 by 593, we get 1 and a remainder of 273.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 593 from 866 and we're left with 273.
Include the next digit (1) from the dividend after 273, then repeat: 2731 / 593

Advancing to step 4:
The number 593 fits into 2731 4 times, leaving a remainder of 359.
Put 4 as the next digit of the answer. 
Result so far: 14.0
Deduct 2372 from 2731 and we're left with 359.
Include the next digit (5) from the dividend after 359, then repeat: 3595 / 593

On to step 5:
593 can be fit into 3595 6 times, resulting in a remainder of 37.
Write down 6 as next digit of the result. 
Result so far: 146.0
If we take 3558 away from 3595, we end up with 37.
Fetch the next digit (7) from the dividend, attach it to 37 and continue: 377 / 593

Moving on to step 6:
593 goes into 377 0 times with a remainder of 377.
Use 0 as the next digit of our solution. 
Result so far: 1460.0
If we take 0 away from 377, we end up with 377.
Include the next digit (6) from the dividend after 377, then repeat: 3776 / 593

On to step 7:
When dividing 3776 by 593, we get 6 with a remainder of 218.
Record the quotient 6 as the next digit in the result. 
Result so far: 14606.0
If we take 3558 away from 3776, we end up with 218.
Grab the next digit (6) from the dividend, add it to 218, then carry on: 2186 / 593

Going ahead to step 8:
593 goes into 2186 3 times with a remainder of 407.
Write down 3 as next digit of the result. 
Result so far: 146063.0
Deduct 1779 from 2186 and we're left with 407.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4070, and continue the process.

Moving on to step 9:
593 can be fit into 4070 6 times, resulting in a remainder of 512.
The number 6 becomes the next digit in our result. 
Result so far: 146063.6
The remainder is 512 after subtracting 3558 from 4070.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Step 10:
When dividing 5120 by 593, we get 8 with a remainder of 376.
The next digit of our result is 8. 
Result so far: 146063.68
Subtracting 4744 from 5120 leaves us with 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Let's proceed to step 11:
593 can be fit into 3760 6 times, resulting in a remainder of 202.
Use 6 as the next digit of our solution. 
Result so far: 146063.686
Subtract 3558 from 3760 to get 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Advancing to step 12:
593 can be fit into 2020 3 times, resulting in a remainder of 241.
The next digit of our result is 3. 
Result so far: 146063.6863
Deduct 1779 from 2020 and we're left with 241.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2410, and continue the process.

Let's proceed to step 13:
The number 593 fits into 2410 4 times, leaving a remainder of 38.
The number 4 becomes the next digit in our result. 
Result so far: 146063.68634
If we subtract 2372 from 2410, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 14:
593 goes into 380 0 times with a remainder of 380.
Use 0 as the next digit of our solution. 
Result so far: 146063.68634
Subtract 0 from 380 to get 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Advancing to step 15:
The number 593 fits into 3800 6 times, leaving a remainder of 242.
The next digit of our result is 6. 
Result so far: 146063.6863406
Deduct 3558 from 3800 and we're left with 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Advancing to step 16:
593 can be fit into 2420 4 times, resulting in a remainder of 48.
Use 4 as the next digit of our solution. 
Result so far: 146063.68634064
Subtracting 2372 from 2420 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

In conclusion, the division gives 146063.68634064 with a balance of 4.8e-08.