99231876 has 18 divisors (see below), whose sum is σ = 250836222. Its totient is φ = 33077280.

The previous prime is 99231863. The next prime is 99231877. The reversal of 99231876 is 67813299.

It can be written as a sum of positive squares in only one way, i.e., 99201600 + 30276 = 9960^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (99231877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378185 + ... + 1378256.

Almost surely, 2^99231876 is an apocalyptic number.

It is an amenable number.

99231876 is an abundant number, since it is smaller than the sum of its proper divisors (151604346).

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

99231876 is a wasteful number, since it uses less digits than its factorization.

99231876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756451 (or 2756446 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99231876 is about 9961.5197635702. The cubic root of 99231876 is about 462.9673888215.

The spelling of 99231876 in words is "ninety-nine million, two hundred thirty-one thousand, eight hundred seventy-six".