Alright, let's work through 97981909 times 52466387 step by step
97981909 × 52466387 = 52466387 × (97981909)
+ 52466387 × 9 yielding 472197483
+ 52466387 × 00 producing 0
+ 52466387 × 900 that is equal 47219748300
+ 52466387 × 1000 giving us 52466387000
+ 52466387 × 80000 giving us 4197310960000
+ 52466387 × 900000 yielding 47219748300000
+ 52466387 × 7000000 which equals 367264709000000
+ 52466387 × 90000000 resulting in 4721974830000000

= 5140756756592783
