864760431 has 4 divisors (see below), whose sum is σ = 1153013912. Its totient is φ = 576506952.

The previous prime is 864760427. The next prime is 864760451. The reversal of 864760431 is 134067468.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 864760431 - 2² = 864760427 is a prime.

It is a super-2 number, since 2×864760431² = 1495621206046611522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864760431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864760451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 144126736 + ... + 144126741.

It is an arithmetic number, because the mean of its divisors is an integer number (288253478).

Almost surely, 2^864760431 is an apocalyptic number.

864760431 is a deficient number, since it is larger than the sum of its proper divisors (288253481).

864760431 is a wasteful number, since it uses less digits than its factorization.

864760431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288253480.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 864760431 is about 29406.8092624820. The cubic root of 864760431 is about 952.7199726174.

The spelling of 864760431 in words is "eight hundred sixty-four million, seven hundred sixty thousand, four hundred thirty-one".