90321832875 has 32 divisors (see below), whose sum is σ = 153493337088. Its totient is φ = 47146706400.

The previous prime is 90321832871. The next prime is 90321832877. The reversal of 90321832875 is 57823812309.

It is a happy number.

It is not a de Polignac number, because 90321832875 - 2² = 90321832871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90321832871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2544697 + ... + 2579946.

It is an arithmetic number, because the mean of its divisors is an integer number (4796666784).

Almost surely, 2^90321832875 is an apocalyptic number.

90321832875 is a deficient number, since it is larger than the sum of its proper divisors (63171504213).

90321832875 is a wasteful number, since it uses less digits than its factorization.

90321832875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124708 (or 5124698 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 90321832875 in words is "ninety billion, three hundred twenty-one million, eight hundred thirty-two thousand, eight hundred seventy-five".