15794712772 has 12 divisors (see below), whose sum is σ = 28593876780. Its totient is φ = 7625033696.

The previous prime is 15794712761. The next prime is 15794712781. The reversal of 15794712772 is 27721749751.

It can be written as a sum of positive squares in 2 ways, for example, as 11857903236 + 3936809536 = 108894^2 + 62744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68080543 + ... + 68080774.

It is an arithmetic number, because the mean of its divisors is an integer number (2382823065).

Almost surely, 2^15794712772 is an apocalyptic number.

It is an amenable number.

15794712772 is a deficient number, since it is larger than the sum of its proper divisors (12799164008).

15794712772 is a wasteful number, since it uses less digits than its factorization.

15794712772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136161350 (or 136161348 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 52.

The spelling of 15794712772 in words is "fifteen billion, seven hundred ninety-four million, seven hundred twelve thousand, seven hundred seventy-two".