864013375 has 16 divisors (see below), whose sum is σ = 1080439776. Its totient is φ = 689832000.

The previous prime is 864013363. The next prime is 864013399. The reversal of 864013375 is 573310468.

It is not a de Polignac number, because 864013375 - 2²⁵ = 830458943 is a prime.

It is a super-2 number, since 2×864013375² = 1493038224357781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58492 + ... + 71758.

It is an arithmetic number, because the mean of its divisors is an integer number (67527486).

Almost surely, 2^864013375 is an apocalyptic number.

864013375 is a deficient number, since it is larger than the sum of its proper divisors (216426401).

864013375 is a wasteful number, since it uses less digits than its factorization.

864013375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13803 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 864013375 is about 29394.1044258879. The cubic root of 864013375 is about 952.4455458521.

The spelling of 864013375 in words is "eight hundred sixty-four million, thirteen thousand, three hundred seventy-five".