90688973910 has 64 divisors (see below), whose sum is σ = 229168915200. Its totient is φ = 22904906112.

The previous prime is 90688973909. The next prime is 90688973983. The reversal of 90688973910 is 1937988609.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408952 + ... + 2446308.

It is an arithmetic number, because the mean of its divisors is an integer number (3580764300).

Almost surely, 2^90688973910 is an apocalyptic number.

90688973910 is an abundant number, since it is smaller than the sum of its proper divisors (138479941290).

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

90688973910 is a wasteful number, since it uses less digits than its factorization.

90688973910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41645.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 90688973910 in words is "ninety billion, six hundred eighty-eight million, nine hundred seventy-three thousand, nine hundred ten".