90436980072 has 32 divisors (see below), whose sum is σ = 226150999200. Its totient is φ = 30137853504.

The previous prime is 90436980061. The next prime is 90436980107. The reversal of 90436980072 is 27008963409.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392922 + ... + 579017.

It is an arithmetic number, because the mean of its divisors is an integer number (7067218725).

Almost surely, 2^90436980072 is an apocalyptic number.

It is an amenable number.

90436980072 is an abundant number, since it is smaller than the sum of its proper divisors (135714019128).

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

90436980072 is a wasteful number, since it uses less digits than its factorization.

90436980072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975825 (or 975821 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 90436980072 in words is "ninety billion, four hundred thirty-six million, nine hundred eighty thousand, seventy-two".