80239864 has 32 divisors (see below), whose sum is σ = 160185600. Its totient is φ = 37550080.

The previous prime is 80239843. The next prime is 80239867. The reversal of 80239864 is 46893208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80239867) 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, 24432 + ... + 27520.

It is an arithmetic number, because the mean of its divisors is an integer number (5005800).

Almost surely, 2^80239864 is an apocalyptic number.

It is an amenable number.

80239864 is a deficient number, since it is larger than the sum of its proper divisors (79945736).

80239864 is a wasteful number, since it uses less digits than its factorization.

80239864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80239864 is about 8957.6706793675. The cubic root of 80239864 is about 431.3171510919.

The spelling of 80239864 in words is "eighty million, two hundred thirty-nine thousand, eight hundred sixty-four".