864955718 has 16 divisors (see below), whose sum is σ = 1429399440. Its totient is φ = 389268000.

The previous prime is 864955703. The next prime is 864955723. The reversal of 864955718 is 817559468.

864955718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 864955718.

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, 192413 + ... + 196856.

It is an arithmetic number, because the mean of its divisors is an integer number (89337465).

Almost surely, 2^864955718 is an apocalyptic number.

864955718 is a deficient number, since it is larger than the sum of its proper divisors (564443722).

864955718 is a wasteful number, since it uses less digits than its factorization.

864955718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389383.

The product of its digits is 2419200, while the sum is 53.

The square root of 864955718 is about 29410.1295134857. The cubic root of 864955718 is about 952.7916841246.

The spelling of 864955718 in words is "eight hundred sixty-four million, nine hundred fifty-five thousand, seven hundred eighteen".