99389875 has 32 divisors (see below), whose sum is σ = 137958912. Its totient is φ = 70992000.

The previous prime is 99389869. The next prime is 99389887. The reversal of 99389875 is 57898399.

It is a de Polignac number, because none of the positive numbers 2^k-99389875 is a prime.

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, 49389 + ... + 51361.

It is an arithmetic number, because the mean of its divisors is an integer number (4311216).

Almost surely, 2^99389875 is an apocalyptic number.

99389875 is a deficient number, since it is larger than the sum of its proper divisors (38569037).

99389875 is a wasteful number, since it uses less digits than its factorization.

99389875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2022 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 58.

The square root of 99389875 is about 9969.4470759416. The cubic root of 99389875 is about 463.2129738726.

The spelling of 99389875 in words is "ninety-nine million, three hundred eighty-nine thousand, eight hundred seventy-five".