Alright, let's work through 84285578 times 69706538 step by step
84285578 × 69706538 = 69706538 × (84285578)
+ 69706538 × 8 what gives us 557652304
+ 69706538 × 70 that is equal 4879457660
+ 69706538 × 500 that equals 34853269000
+ 69706538 × 5000 that is equal 348532690000
+ 69706538 × 80000 resulting in 5576523040000
+ 69706538 × 200000 what gives us 13941307600000
+ 69706538 × 4000000 resulting in 278826152000000
+ 69706538 × 80000000 that equals 5576523040000000

= 5875255845708964
