80644604 has 6 divisors (see below), whose sum is σ = 141128064. Its totient is φ = 40322300.

The previous prime is 80644589. The next prime is 80644643. The reversal of 80644604 is 40644608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080572 + ... + 10080579.

It is an arithmetic number, because the mean of its divisors is an integer number (23521344).

Almost surely, 2^80644604 is an apocalyptic number.

It is an amenable number.

80644604 is a deficient number, since it is larger than the sum of its proper divisors (60483460).

80644604 is a wasteful number, since it uses less digits than its factorization.

80644604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161155 (or 20161153 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 80644604 is about 8980.2340726732. The cubic root of 80644604 is about 432.0411412007.

The spelling of 80644604 in words is "eighty million, six hundred forty-four thousand, six hundred four".