90591933876 has 24 divisors (see below), whose sum is σ = 211493728320. Its totient is φ = 30181232832.

The previous prime is 90591933869. The next prime is 90591933877. The reversal of 90591933876 is 67833919509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90591933877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986321 + ... + 2031416.

It is an arithmetic number, because the mean of its divisors is an integer number (8812238680).

Almost surely, 2^90591933876 is an apocalyptic number.

It is an amenable number.

90591933876 is an abundant number, since it is smaller than the sum of its proper divisors (120901794444).

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

90591933876 is a wasteful number, since it uses less digits than its factorization.

90591933876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019623 (or 4019621 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 90591933876 in words is "ninety billion, five hundred ninety-one million, nine hundred thirty-three thousand, eight hundred seventy-six".