64885564 has 6 divisors (see below), whose sum is σ = 113549744. Its totient is φ = 32442780.

The previous prime is 64885559. The next prime is 64885577. The reversal of 64885564 is 46558846.

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, 8110692 + ... + 8110699.

Almost surely, 2^64885564 is an apocalyptic number.

It is an amenable number.

64885564 is a deficient number, since it is larger than the sum of its proper divisors (48664180).

64885564 is a wasteful number, since it uses less digits than its factorization.

64885564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16221395 (or 16221393 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 64885564 is about 8055.1576024309. The cubic root of 64885564 is about 401.8364804451.

The spelling of 64885564 in words is "sixty-four million, eight hundred eighty-five thousand, five hundred sixty-four".