Alright, let's work through 42895823 times 86219469 step by step
42895823 × 86219469 = 86219469 × (42895823)
+ 86219469 × 3 what gives us 258658407
+ 86219469 × 20 that is equal 1724389380
+ 86219469 × 800 producing 68975575200
+ 86219469 × 5000 that results in 431097345000
+ 86219469 × 90000 what gives us 7759752210000
+ 86219469 × 800000 that is equal 68975575200000
+ 86219469 × 2000000 that is equal 172438938000000
+ 86219469 × 40000000 yielding 3448778760000000

= 3698455081377987
