Alright, let's work through 87913455 times 28009164 step by step
87913455 × 28009164 = 28009164 × (87913455)
+ 28009164 × 5 giving us 140045820
+ 28009164 × 50 producing 1400458200
+ 28009164 × 400 which equals 11203665600
+ 28009164 × 3000 resulting in 84027492000
+ 28009164 × 10000 producing 280091640000
+ 28009164 × 900000 producing 25208247600000
+ 28009164 × 7000000 that equals 196064148000000
+ 28009164 × 80000000 resulting in 2240733120000000

= 2462382378901620
