80564464 has 20 divisors (see below), whose sum is σ = 156233056. Its totient is φ = 40246272.

The previous prime is 80564459. The next prime is 80564507. The reversal of 80564464 is 46446508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32617 + ... + 34999.

Almost surely, 2^80564464 is an apocalyptic number.

It is an amenable number.

80564464 is a deficient number, since it is larger than the sum of its proper divisors (75668592).

80564464 is a wasteful number, since it uses less digits than its factorization.

80564464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 80564464 is about 8975.7709418189. The cubic root of 80564464 is about 431.8979811680.

The spelling of 80564464 in words is "eighty million, five hundred sixty-four thousand, four hundred sixty-four".