80045868 has 24 divisors (see below), whose sum is σ = 213455872. Its totient is φ = 22870224.

The previous prime is 80045863. The next prime is 80045869. The reversal of 80045868 is 86854008.

It is not an unprimeable number, because it can be changed into a prime (80045863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476380 + ... + 476547.

Almost surely, 2^80045868 is an apocalyptic number.

It is an amenable number.

80045868 is an abundant number, since it is smaller than the sum of its proper divisors (133410004).

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

80045868 is a wasteful number, since it uses less digits than its factorization.

80045868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952941 (or 952939 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 80045868 is about 8946.8356417227. The cubic root of 80045868 is about 430.9692719483.

The spelling of 80045868 in words is "eighty million, forty-five thousand, eight hundred sixty-eight".