13079771799 has 16 divisors (see below), whose sum is σ = 17814532608. Its totient is φ = 8532508352.

The previous prime is 13079771737. The next prime is 13079771801. The reversal of 13079771799 is 99717797031.

It is a cyclic number.

It is not a de Polignac number, because 13079771799 - 2⁷ = 13079771671 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13079771599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096264 + ... + 1108130.

It is an arithmetic number, because the mean of its divisors is an integer number (1113408288).

Almost surely, 2^13079771799 is an apocalyptic number.

13079771799 is a deficient number, since it is larger than the sum of its proper divisors (4734760809).

13079771799 is a wasteful number, since it uses less digits than its factorization.

13079771799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734.

The product of its (nonzero) digits is 5250987, while the sum is 60.

The spelling of 13079771799 in words is "thirteen billion, seventy-nine million, seven hundred seventy-one thousand, seven hundred ninety-nine".