Alright, let's work through 87842624 times 57829079 step by step
87842624 × 57829079 = 57829079 × (87842624)
+ 57829079 × 4 yielding 231316316
+ 57829079 × 20 that is equal 1156581580
+ 57829079 × 600 producing 34697447400
+ 57829079 × 2000 which equals 115658158000
+ 57829079 × 40000 yielding 2313163160000
+ 57829079 × 800000 that equals 46263263200000
+ 57829079 × 7000000 producing 404803553000000
+ 57829079 × 80000000 which equals 4626326320000000

= 5079858042863296
