90786683904 has 88 divisors (see below), whose sum is σ = 276548193408. Its totient is φ = 25939046400.

The previous prime is 90786683887. The next prime is 90786683947. The reversal of 90786683904 is 40938668709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089422 + ... + 2132429.

Almost surely, 2^90786683904 is an apocalyptic number.

It is an amenable number.

90786683904 is an abundant number, since it is smaller than the sum of its proper divisors (185761509504).

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

90786683904 is a wasteful number, since it uses less digits than its factorization.

90786683904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221881 (or 4221863 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 90786683904 in words is "ninety billion, seven hundred eighty-six million, six hundred eighty-three thousand, nine hundred four".