Alright, let's work through 87445249 times 11937623 step by step
87445249 × 11937623 = 11937623 × (87445249)
+ 11937623 × 9 which equals 107438607
+ 11937623 × 40 yielding 477504920
+ 11937623 × 200 producing 2387524600
+ 11937623 × 5000 yielding 59688115000
+ 11937623 × 40000 producing 477504920000
+ 11937623 × 400000 what gives us 4775049200000
+ 11937623 × 7000000 yielding 83563361000000
+ 11937623 × 80000000 producing 955009840000000

= 1043888415703127
