80099892 has 36 divisors (see below), whose sum is σ = 211280160. Its totient is φ = 25538832.

The previous prime is 80099843. The next prime is 80099909. The reversal of 80099892 is 29899008.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47542 + ... + 49197.

Almost surely, 2^80099892 is an apocalyptic number.

It is an amenable number.

80099892 is an abundant number, since it is smaller than the sum of its proper divisors (131180268).

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

80099892 is a wasteful number, since it uses less digits than its factorization.

80099892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96772 (or 96767 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 80099892 is about 8949.8543004900. The cubic root of 80099892 is about 431.0662057379.

The spelling of 80099892 in words is "eighty million, ninety-nine thousand, eight hundred ninety-two".