13597977868 has 12 divisors (see below), whose sum is σ = 23948032192. Its totient is φ = 6755682960.

The previous prime is 13597977863. The next prime is 13597977871. The reversal of 13597977868 is 86877979531.

It is a junction number, because it is equal to n+sod(n) for n = 13597977797 and 13597977806.

It is not an unprimeable number, because it can be changed into a prime (13597977863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10825788 + ... + 10827043.

Almost surely, 2^13597977868 is an apocalyptic number.

It is an amenable number.

13597977868 is a deficient number, since it is larger than the sum of its proper divisors (10350054324).

13597977868 is a wasteful number, since it uses less digits than its factorization.

13597977868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21652992 (or 21652990 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 70.

The spelling of 13597977868 in words is "thirteen billion, five hundred ninety-seven million, nine hundred seventy-seven thousand, eight hundred sixty-eight".