864460877 has 16 divisors (see below), whose sum is σ = 999223680. Its totient is φ = 732561408.

The previous prime is 864460847. The next prime is 864460889. The reversal of 864460877 is 778064468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864460877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864460837) 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 15 ways as a sum of consecutive naturals, for example, 248333 + ... + 251789.

It is an arithmetic number, because the mean of its divisors is an integer number (62451480).

Almost surely, 2^864460877 is an apocalyptic number.

It is an amenable number.

864460877 is a deficient number, since it is larger than the sum of its proper divisors (134762803).

864460877 is a wasteful number, since it uses less digits than its factorization.

864460877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 864460877 is about 29401.7155451855. The cubic root of 864460877 is about 952.6099521508.

The spelling of 864460877 in words is "eight hundred sixty-four million, four hundred sixty thousand, eight hundred seventy-seven".