Alright, let's work through 84294967 times 69720435 step by step
84294967 × 69720435 = 69720435 × (84294967)
+ 69720435 × 7 resulting in 488043045
+ 69720435 × 60 that is equal 4183226100
+ 69720435 × 900 yielding 62748391500
+ 69720435 × 4000 yielding 278881740000
+ 69720435 × 90000 which equals 6274839150000
+ 69720435 × 200000 giving us 13944087000000
+ 69720435 × 4000000 yielding 278881740000000
+ 69720435 × 80000000 resulting in 5577634800000000

= 5877081767550645
