864676291 has 16 divisors (see below), whose sum is σ = 891855360. Its totient is φ = 837982080.

The previous prime is 864676289. The next prime is 864676297. The reversal of 864676291 is 192676468.

It is a cyclic number.

It is not a de Polignac number, because 864676291 - 2¹ = 864676289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864676297) 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, 2317981 + ... + 2318353.

It is an arithmetic number, because the mean of its divisors is an integer number (55740960).

Almost surely, 2^864676291 is an apocalyptic number.

864676291 is a deficient number, since it is larger than the sum of its proper divisors (27179069).

864676291 is a wasteful number, since it uses less digits than its factorization.

864676291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 870912, while the sum is 49.

The square root of 864676291 is about 29405.3786066427. The cubic root of 864676291 is about 952.6890721677.

The spelling of 864676291 in words is "eight hundred sixty-four million, six hundred seventy-six thousand, two hundred ninety-one".