99875913 has 64 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 55883520.

The previous prime is 99875891. The next prime is 99875917. The reversal of 99875913 is 31957899.

It is a happy number.

It is not a de Polignac number, because 99875913 - 2¹⁶ = 99810377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99875917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1406668 + ... + 1406738.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^99875913 is an apocalyptic number.

It is an amenable number.

99875913 is a deficient number, since it is larger than the sum of its proper divisors (57717687).

99875913 is a wasteful number, since it uses less digits than its factorization.

99875913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its digits is 612360, while the sum is 51.

The square root of 99875913 is about 9993.7937241070. The cubic root of 99875913 is about 463.9668169517.

The spelling of 99875913 in words is "ninety-nine million, eight hundred seventy-five thousand, nine hundred thirteen".