80564 has 12 divisors (see below), whose sum is σ = 153888. Its totient is φ = 36600.

The previous prime is 80557. The next prime is 80567. The reversal of 80564 is 46508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80567) 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, 872 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (12824).

2⁸⁰⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

80564 is a deficient number, since it is larger than the sum of its proper divisors (73324).

80564 is a wasteful number, since it uses less digits than its factorization.

80564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80564 is about 283.8379819545. The cubic root of 80564 is about 43.1897152014.

The spelling of 80564 in words is "eighty thousand, five hundred sixty-four".