13889127967 has 32 divisors (see below), whose sum is σ = 17389209600. Its totient is φ = 10911141120.

The previous prime is 13889127947. The next prime is 13889128049. The reversal of 13889127967 is 76972198831.

It is a de Polignac number, because none of the positive numbers 2^k-13889127967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889127947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109659 + ... + 199507.

It is an arithmetic number, because the mean of its divisors is an integer number (543412800).

Almost surely, 2^13889127967 is an apocalyptic number.

13889127967 is a deficient number, since it is larger than the sum of its proper divisors (3500081633).

13889127967 is a wasteful number, since it uses less digits than its factorization.

13889127967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89943.

The product of its digits is 9144576, while the sum is 61.

The spelling of 13889127967 in words is "thirteen billion, eight hundred eighty-nine million, one hundred twenty-seven thousand, nine hundred sixty-seven".