99709892 has 12 divisors (see below), whose sum is σ = 176595216. Its totient is φ = 49254120.

The previous prime is 99709873. The next prime is 99709901. The reversal of 99709892 is 29890799.

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, 149834 + ... + 150497.

It is an arithmetic number, because the mean of its divisors is an integer number (14716268).

Almost surely, 2^99709892 is an apocalyptic number.

It is an amenable number.

99709892 is a deficient number, since it is larger than the sum of its proper divisors (76885324).

99709892 is a wasteful number, since it uses less digits than its factorization.

99709892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300418 (or 300416 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 99709892 is about 9985.4840643807. The cubic root of 99709892 is about 463.7095945888.

The spelling of 99709892 in words is "ninety-nine million, seven hundred nine thousand, eight hundred ninety-two".