13888806579 has 12 divisors (see below), whose sum is σ = 20068311432. Its totient is φ = 9256111200.

The previous prime is 13888806571. The next prime is 13888806667. The reversal of 13888806579 is 97560888831.

It is not a de Polignac number, because 13888806579 - 2³ = 13888806571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13888806571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229162 + ... + 283359.

It is an arithmetic number, because the mean of its divisors is an integer number (1672359286).

Almost surely, 2^13888806579 is an apocalyptic number.

13888806579 is a deficient number, since it is larger than the sum of its proper divisors (6179504853).

13888806579 is a wasteful number, since it uses less digits than its factorization.

13888806579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515538 (or 515535 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 13888806579 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred six thousand, five hundred seventy-nine".