864152312 has 8 divisors (see below), whose sum is σ = 1620285600. Its totient is φ = 432076152.

The previous prime is 864152309. The next prime is 864152369. The reversal of 864152312 is 213251468.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54009512 + ... + 54009527.

It is an arithmetic number, because the mean of its divisors is an integer number (202535700).

Almost surely, 2^864152312 is an apocalyptic number.

It is an amenable number.

864152312 is a deficient number, since it is larger than the sum of its proper divisors (756133288).

864152312 is a wasteful number, since it uses less digits than its factorization.

864152312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108019045 (or 108019041 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 864152312 is about 29396.4676789576. The cubic root of 864152312 is about 952.4965955381.

The spelling of 864152312 in words is "eight hundred sixty-four million, one hundred fifty-two thousand, three hundred twelve".