Alright, let's work through 84884797 times 61397365 step by step
84884797 × 61397365 = 61397365 × (84884797)
+ 61397365 × 7 that results in 429781555
+ 61397365 × 90 that results in 5525762850
+ 61397365 × 700 resulting in 42978155500
+ 61397365 × 4000 giving us 245589460000
+ 61397365 × 80000 yielding 4911789200000
+ 61397365 × 800000 yielding 49117892000000
+ 61397365 × 4000000 giving us 245589460000000
+ 61397365 × 80000000 which equals 4911789200000000

= 5211702864359905
