Alright, let's work through 86838122 times 84395818 step by step
86838122 × 84395818 = 84395818 × (86838122)
+ 84395818 × 2 yielding 168791636
+ 84395818 × 20 that results in 1687916360
+ 84395818 × 100 that equals 8439581800
+ 84395818 × 8000 that results in 675166544000
+ 84395818 × 30000 giving us 2531874540000
+ 84395818 × 800000 that equals 67516654400000
+ 84395818 × 6000000 yielding 506374908000000
+ 84395818 × 80000000 resulting in 6751665440000000

= 7328774339773796
