99975592 has 8 divisors (see below), whose sum is σ = 187454250. Its totient is φ = 49987792.

The previous prime is 99975553. The next prime is 99975607. The reversal of 99975592 is 29557999.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 1052676 = 9946^2 + 1026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248467 + ... + 6248482.

Almost surely, 2^99975592 is an apocalyptic number.

It is an amenable number.

99975592 is a deficient number, since it is larger than the sum of its proper divisors (87478658).

99975592 is a wasteful number, since it uses less digits than its factorization.

99975592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12496955 (or 12496951 counting only the distinct ones).

The product of its digits is 2296350, while the sum is 55.

The square root of 99975592 is about 9998.7795255221. The cubic root of 99975592 is about 464.1211163216.

The spelling of 99975592 in words is "ninety-nine million, nine hundred seventy-five thousand, five hundred ninety-two".