99658872 has 48 divisors (see below), whose sum is σ = 274346280. Its totient is φ = 32673600.

The previous prime is 99658861. The next prime is 99658873. The reversal of 99658872 is 27885699.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99658873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6954 + ... + 15737.

Almost surely, 2^99658872 is an apocalyptic number.

It is an amenable number.

99658872 is an abundant number, since it is smaller than the sum of its proper divisors (174687408).

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

99658872 is a wasteful number, since it uses less digits than its factorization.

99658872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764 (or 22757 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 99658872 is about 9982.9290290976. The cubic root of 99658872 is about 463.6304901007.

The spelling of 99658872 in words is "ninety-nine million, six hundred fifty-eight thousand, eight hundred seventy-two".