864876995 has 16 divisors (see below), whose sum is σ = 1043497728. Its totient is φ = 688151520.

The previous prime is 864876983. The next prime is 864877007. The reversal of 864876995 is 599678468.

It is an interprime number because it is at equal distance from previous prime (864876983) and next prime (864877007).

It is not a de Polignac number, because 864876995 - 2¹⁶ = 864811459 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370330 + ... + 1370960.

It is an arithmetic number, because the mean of its divisors is an integer number (65218608).

Almost surely, 2^864876995 is an apocalyptic number.

864876995 is a deficient number, since it is larger than the sum of its proper divisors (178620733).

864876995 is a wasteful number, since it uses less digits than its factorization.

864876995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 26127360, while the sum is 62.

The square root of 864876995 is about 29408.7911176233. The cubic root of 864876995 is about 952.7627774827.

The spelling of 864876995 in words is "eight hundred sixty-four million, eight hundred seventy-six thousand, nine hundred ninety-five".