80051992 has 8 divisors (see below), whose sum is σ = 150097500. Its totient is φ = 40025992.

The previous prime is 80051981. The next prime is 80052017. The reversal of 80051992 is 29915008.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003242 + ... + 5003257.

Almost surely, 2^80051992 is an apocalyptic number.

It is an amenable number.

80051992 is a deficient number, since it is larger than the sum of its proper divisors (70045508).

80051992 is a wasteful number, since it uses less digits than its factorization.

80051992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006505 (or 10006501 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 80051992 is about 8947.1778790857. The cubic root of 80051992 is about 430.9802622658.

The spelling of 80051992 in words is "eighty million, fifty-one thousand, nine hundred ninety-two".