99995992 has 16 divisors (see below), whose sum is σ = 187774200. Its totient is φ = 49922880.

The previous prime is 99995983. The next prime is 99995999. The reversal of 99995992 is 29959999.

It is a self number, because there is not a number n which added to its sum of digits gives 99995992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517 + ... + 14572.

Almost surely, 2^99995992 is an apocalyptic number.

It is an amenable number.

99995992 is a deficient number, since it is larger than the sum of its proper divisors (87778208).

99995992 is a wasteful number, since it uses less digits than its factorization.

99995992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786 (or 18782 counting only the distinct ones).

The product of its digits is 5314410, while the sum is 61.

The square root of 99995992 is about 9999.7995979920. The cubic root of 99995992 is about 464.1526821157.

The spelling of 99995992 in words is "ninety-nine million, nine hundred ninety-five thousand, nine hundred ninety-two".