Alright, let's work through 787874 times 84677232 step by step
787874 × 84677232 = 84677232 × (787874)
+ 84677232 × 4 resulting in 338708928
+ 84677232 × 70 which equals 5927406240
+ 84677232 × 800 which equals 67741785600
+ 84677232 × 7000 which equals 592740624000
+ 84677232 × 80000 yielding 6774178560000
+ 84677232 × 700000 giving us 59274062400000

= 66714989484768
