864957211 has 8 divisors (see below), whose sum is σ = 868420080. Its totient is φ = 861501312.

The previous prime is 864957209. The next prime is 864957221. The reversal of 864957211 is 112759468.

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 864957211 - 2¹ = 864957209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864957221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451191 + ... + 453103.

It is an arithmetic number, because the mean of its divisors is an integer number (108552510).

Almost surely, 2^864957211 is an apocalyptic number.

864957211 is a deficient number, since it is larger than the sum of its proper divisors (3462869).

864957211 is a wasteful number, since it uses less digits than its factorization.

864957211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its digits is 120960, while the sum is 43.

The square root of 864957211 is about 29410.1548958859. The cubic root of 864957211 is about 952.7922323288.

The spelling of 864957211 in words is "eight hundred sixty-four million, nine hundred fifty-seven thousand, two hundred eleven".