99908075 has 6 divisors (see below), whose sum is σ = 123886044. Its totient is φ = 79926440.

The previous prime is 99908033. The next prime is 99908077. The reversal of 99908075 is 57080999.

It is not a de Polignac number, because 99908075 - 2¹⁰ = 99907051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99908077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1998137 + ... + 1998186.

It is an arithmetic number, because the mean of its divisors is an integer number (20647674).

Almost surely, 2^99908075 is an apocalyptic number.

99908075 is a deficient number, since it is larger than the sum of its proper divisors (23977969).

99908075 is a wasteful number, since it uses less digits than its factorization.

99908075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996333 (or 3996328 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 99908075 is about 9995.4026932385. The cubic root of 99908075 is about 464.0166137407.

The spelling of 99908075 in words is "ninety-nine million, nine hundred eight thousand, seventy-five".