99925975 has 6 divisors (see below), whose sum is σ = 123908240. Its totient is φ = 79940760.

The previous prime is 99925957. The next prime is 99925993. The reversal of 99925975 is 57952999.

It is an interprime number because it is at equal distance from previous prime (99925957) and next prime (99925993).

It is a de Polignac number, because none of the positive numbers 2^k-99925975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1998495 + ... + 1998544.

Almost surely, 2^99925975 is an apocalyptic number.

99925975 is a deficient number, since it is larger than the sum of its proper divisors (23982265).

99925975 is a wasteful number, since it uses less digits than its factorization.

99925975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997049 (or 3997044 counting only the distinct ones).

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

The square root of 99925975 is about 9996.2980647838. The cubic root of 99925975 is about 464.0443238846.

The spelling of 99925975 in words is "ninety-nine million, nine hundred twenty-five thousand, nine hundred seventy-five".