864124577 has 4 divisors (see below), whose sum is σ = 872514240. Its totient is φ = 855734916.

The previous prime is 864124553. The next prime is 864124607. The reversal of 864124577 is 775421468.

864124577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 864124577 - 2⁸ = 864124321 is a prime.

It is a super-2 number, since 2×864124577² = 1493422569150857858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864124507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194677 + ... + 4194882.

It is an arithmetic number, because the mean of its divisors is an integer number (218128560).

Almost surely, 2^864124577 is an apocalyptic number.

It is an amenable number.

864124577 is a deficient number, since it is larger than the sum of its proper divisors (8389663).

864124577 is a wasteful number, since it uses less digits than its factorization.

864124577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389662.

The product of its digits is 376320, while the sum is 44.

The square root of 864124577 is about 29395.9959348208. The cubic root of 864124577 is about 952.4864052914.

The spelling of 864124577 in words is "eight hundred sixty-four million, one hundred twenty-four thousand, five hundred seventy-seven".