13779157792 has 24 divisors (see below), whose sum is σ = 27132346332. Its totient is φ = 6888403200.

The previous prime is 13779157783. The next prime is 13779157807. The reversal of 13779157792 is 29775197731.

It can be written as a sum of positive squares in 2 ways, for example, as 13233281296 + 545876496 = 115036^2 + 23364^2 .

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, 171942 + ... + 239002.

Almost surely, 2^13779157792 is an apocalyptic number.

It is an amenable number.

13779157792 is a deficient number, since it is larger than the sum of its proper divisors (13353188540).

13779157792 is an equidigital number, since it uses as much as digits as its factorization.

13779157792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73492 (or 73484 counting only the distinct ones).

The product of its digits is 5834430, while the sum is 58.

The spelling of 13779157792 in words is "thirteen billion, seven hundred seventy-nine million, one hundred fifty-seven thousand, seven hundred ninety-two".