90837823328 has 24 divisors (see below), whose sum is σ = 204385102992. Its totient is φ = 38930495616.

The previous prime is 90837823313. The next prime is 90837823331. The reversal of 90837823328 is 82332873809.

It is a self number, because there is not a number n which added to its sum of digits gives 90837823328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202762775 + ... + 202763222.

It is an arithmetic number, because the mean of its divisors is an integer number (8516045958).

Almost surely, 2^90837823328 is an apocalyptic number.

It is an amenable number.

90837823328 is an abundant number, since it is smaller than the sum of its proper divisors (113547279664).

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

90837823328 is a wasteful number, since it uses less digits than its factorization.

90837823328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405526014 (or 405526006 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 90837823328 in words is "ninety billion, eight hundred thirty-seven million, eight hundred twenty-three thousand, three hundred twenty-eight".