864388607352 has 16 divisors (see below), whose sum is σ = 2160971518440. Its totient is φ = 288129535776.

The previous prime is 864388607321. The next prime is 864388607359. The reversal of 864388607352 is 253706883468.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864388607359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18008095963 + ... + 18008096010.

Almost surely, 2^864388607352 is an apocalyptic number.

It is an amenable number.

864388607352 is an abundant number, since it is smaller than the sum of its proper divisors (1296582911088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864388607352 is a wasteful number, since it uses less digits than its factorization.

864388607352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36016191982 (or 36016191978 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 864388607352 in words is "eight hundred sixty-four billion, three hundred eighty-eight million, six hundred seven thousand, three hundred fifty-two".