15797639264 has 24 divisors (see below), whose sum is σ = 33929021448. Its totient is φ = 7180744960.

The previous prime is 15797639257. The next prime is 15797639269. The reversal of 15797639264 is 46293679751.

15797639264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15797639269) 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, 22439477 + ... + 22440180.

It is an arithmetic number, because the mean of its divisors is an integer number (1413709227).

Almost surely, 2^15797639264 is an apocalyptic number.

It is an amenable number.

15797639264 is an abundant number, since it is smaller than the sum of its proper divisors (18131382184).

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

15797639264 is a wasteful number, since it uses less digits than its factorization.

15797639264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44879678 (or 44879670 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 59.

The spelling of 15797639264 in words is "fifteen billion, seven hundred ninety-seven million, six hundred thirty-nine thousand, two hundred sixty-four".