99000872 has 16 divisors (see below), whose sum is σ = 186400500. Its totient is φ = 49294080.

The previous prime is 99000857. The next prime is 99000883. The reversal of 99000872 is 27800099.

It can be written as a sum of positive squares in 2 ways, for example, as 97732996 + 1267876 = 9886^2 + 1126^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23747 + ... + 27602.

Almost surely, 2^99000872 is an apocalyptic number.

It is an amenable number.

99000872 is a deficient number, since it is larger than the sum of its proper divisors (87399628).

99000872 is a wasteful number, since it uses less digits than its factorization.

99000872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51596 (or 51592 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 99000872 is about 9949.9181906185. The cubic root of 99000872 is about 462.6078591394.

The spelling of 99000872 in words is "ninety-nine million, eight hundred seventy-two", and thus it is an aban number.