Alright, let's work through 17478759 times 48971772 step by step
17478759 × 48971772 = 48971772 × (17478759)
+ 48971772 × 9 what gives us 440745948
+ 48971772 × 50 that equals 2448588600
+ 48971772 × 700 that is equal 34280240400
+ 48971772 × 8000 what gives us 391774176000
+ 48971772 × 70000 that is equal 3428024040000
+ 48971772 × 400000 yielding 19588708800000
+ 48971772 × 7000000 that equals 342802404000000
+ 48971772 × 10000000 that is equal 489717720000000

= 855965800590948
