Alright, let's work through 28446865 times 84862163 step by step
28446865 × 84862163 = 84862163 × (28446865)
+ 84862163 × 5 producing 424310815
+ 84862163 × 60 producing 5091729780
+ 84862163 × 800 producing 67889730400
+ 84862163 × 6000 producing 509172978000
+ 84862163 × 40000 which equals 3394486520000
+ 84862163 × 400000 that equals 33944865200000
+ 84862163 × 8000000 resulting in 678897304000000
+ 84862163 × 20000000 that is equal 1697243260000000

= 2414062494468995
