Alright, let's work through 87459289 times 57975065 step by step
87459289 × 57975065 = 57975065 × (87459289)
+ 57975065 × 9 what gives us 521775585
+ 57975065 × 80 giving us 4638005200
+ 57975065 × 200 which equals 11595013000
+ 57975065 × 9000 yielding 521775585000
+ 57975065 × 50000 that results in 2898753250000
+ 57975065 × 400000 which equals 23190026000000
+ 57975065 × 7000000 that results in 405825455000000
+ 57975065 × 80000000 that is equal 4638005200000000

= 5070457964628785
