64864577 has 8 divisors (see below), whose sum is σ = 68319936. Its totient is φ = 61462192.

The previous prime is 64864573. The next prime is 64864607. The reversal of 64864577 is 77546846.

It is a happy number.

64864577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64864577 - 2² = 64864573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64864573) 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, 10718 + ... + 15639.

It is an arithmetic number, because the mean of its divisors is an integer number (8539992).

Almost surely, 2^64864577 is an apocalyptic number.

It is an amenable number.

64864577 is a deficient number, since it is larger than the sum of its proper divisors (3455359).

64864577 is a wasteful number, since it uses less digits than its factorization.

64864577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26487.

The product of its digits is 1128960, while the sum is 47.

The square root of 64864577 is about 8053.8547913406. The cubic root of 64864577 is about 401.7931515899.

The spelling of 64864577 in words is "sixty-four million, eight hundred sixty-four thousand, five hundred seventy-seven".