90700474475520 has 1584 divisors, whose sum is σ = 405840397876992. Its totient is φ = 18304515440640.

The previous prime is 90700474475453. The next prime is 90700474475563. The reversal of 90700474475520 is 2557447400709.

90700474475520 is a `hidden beast` number, since 9 + 0 + 7 + 0 + 0 + 4 + 7 + 44 + 75 + 520 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1253754550 + ... + 1253826890.

Almost surely, 2^{90700474475520} is an apocalyptic number.

90700474475520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90700474475520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202920198938496).

90700474475520 is an abundant number, since it is smaller than the sum of its proper divisors (315139923401472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90700474475520 is a wasteful number, since it uses less digits than its factorization.

90700474475520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72428 (or 72394 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 90700474475520 in words is "ninety trillion, seven hundred billion, four hundred seventy-four million, four hundred seventy-five thousand, five hundred twenty".