80564595 has 16 divisors (see below), whose sum is σ = 130536960. Its totient is φ = 42423264.

The previous prime is 80564587. The next prime is 80564597. The reversal of 80564595 is 59546508.

It is not a de Polignac number, because 80564595 - 2³ = 80564587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80564597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32809 + ... + 35178.

It is an arithmetic number, because the mean of its divisors is an integer number (8158560).

Almost surely, 2^80564595 is an apocalyptic number.

80564595 is a deficient number, since it is larger than the sum of its proper divisors (49972365).

80564595 is a wasteful number, since it uses less digits than its factorization.

80564595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68074.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 80564595 is about 8975.7782392392. The cubic root of 80564595 is about 431.8982152605.

The spelling of 80564595 in words is "eighty million, five hundred sixty-four thousand, five hundred ninety-five".