Alright, let's work through 86984490 times 13708364 step by step
86984490 × 13708364 = 13708364 × (86984490)
+ 13708364 × 0 producing 0
+ 13708364 × 90 yielding 1233752760
+ 13708364 × 400 that results in 5483345600
+ 13708364 × 4000 giving us 54833456000
+ 13708364 × 80000 that is equal 1096669120000
+ 13708364 × 900000 that is equal 12337527600000
+ 13708364 × 6000000 what gives us 82250184000000
+ 13708364 × 80000000 resulting in 1096669120000000

= 1192415051274360
