64886966 has 16 divisors (see below), whose sum is σ = 98880000. Its totient is φ = 31929768.

The previous prime is 64886959. The next prime is 64886989. The reversal of 64886966 is 66968846.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78431 + ... + 79253.

It is an arithmetic number, because the mean of its divisors is an integer number (6180000).

Almost surely, 2^64886966 is an apocalyptic number.

64886966 is a deficient number, since it is larger than the sum of its proper divisors (33993034).

64886966 is a wasteful number, since it uses less digits than its factorization.

64886966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its digits is 2985984, while the sum is 53.

The square root of 64886966 is about 8055.2446269496. The cubic root of 64886966 is about 401.8393746209.

The spelling of 64886966 in words is "sixty-four million, eight hundred eighty-six thousand, nine hundred sixty-six".