864972967 has 6 divisors (see below), whose sum is σ = 912894288. Its totient is φ = 819447732.

The previous prime is 864972949. The next prime is 864972973. The reversal of 864972967 is 769279468.

It is not a de Polignac number, because 864972967 - 2²⁷ = 730755239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864972167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1197663 + ... + 1198384.

It is an arithmetic number, because the mean of its divisors is an integer number (152149048).

Almost surely, 2^864972967 is an apocalyptic number.

864972967 is a deficient number, since it is larger than the sum of its proper divisors (47921321).

864972967 is a wasteful number, since it uses less digits than its factorization.

864972967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396085 (or 2396066 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The square root of 864972967 is about 29410.4227613273. The cubic root of 864972967 is about 952.7980176259.

The spelling of 864972967 in words is "eight hundred sixty-four million, nine hundred seventy-two thousand, nine hundred sixty-seven".