864465077 has 16 divisors (see below), whose sum is σ = 1038271872. Its totient is φ = 704168640.

The previous prime is 864465073. The next prime is 864465083. The reversal of 864465077 is 770564468.

It is a happy number.

864465077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864465077 - 2² = 864465073 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864465073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27674 + ... + 49947.

It is an arithmetic number, because the mean of its divisors is an integer number (64891992).

Almost surely, 2^864465077 is an apocalyptic number.

It is an amenable number.

864465077 is a deficient number, since it is larger than the sum of its proper divisors (173806795).

864465077 is a wasteful number, since it uses less digits than its factorization.

864465077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77708.

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

The square root of 864465077 is about 29401.7869695024. The cubic root of 864465077 is about 952.6114949063.

The spelling of 864465077 in words is "eight hundred sixty-four million, four hundred sixty-five thousand, seventy-seven".