Alright, let's work through 86470622 times 54465534 step by step
86470622 × 54465534 = 54465534 × (86470622)
+ 54465534 × 2 resulting in 108931068
+ 54465534 × 20 that is equal 1089310680
+ 54465534 × 600 that results in 32679320400
+ 54465534 × 0000 resulting in 0
+ 54465534 × 70000 that is equal 3812587380000
+ 54465534 × 400000 yielding 21786213600000
+ 54465534 × 6000000 producing 326793204000000
+ 54465534 × 80000000 that is equal 4357242720000000

= 4709668602542148
