Alright, let's work through 87434743 times 86016528 step by step
87434743 × 86016528 = 86016528 × (87434743)
+ 86016528 × 3 yielding 258049584
+ 86016528 × 40 resulting in 3440661120
+ 86016528 × 700 giving us 60211569600
+ 86016528 × 4000 that equals 344066112000
+ 86016528 × 30000 resulting in 2580495840000
+ 86016528 × 400000 resulting in 34406611200000
+ 86016528 × 7000000 that results in 602115696000000
+ 86016528 × 80000000 resulting in 6881322240000000

= 7520833019432304
