80564594 has 16 divisors (see below), whose sum is σ = 131970816. Its totient is φ = 36582000.

The previous prime is 80564587. The next prime is 80564597. The reversal of 80564594 is 49546508.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80564597) 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, 40319 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (8248176).

Almost surely, 2^80564594 is an apocalyptic number.

80564594 is a deficient number, since it is larger than the sum of its proper divisors (51406222).

80564594 is a wasteful number, since it uses less digits than its factorization.

80564594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 80564594 is about 8975.7781835337. The cubic root of 80564594 is about 431.8982134735.

The spelling of 80564594 in words is "eighty million, five hundred sixty-four thousand, five hundred ninety-four".