13877936168 has 16 divisors (see below), whose sum is σ = 26655792660. Its totient is φ = 6769724800.

The previous prime is 13877936161. The next prime is 13877936183. The reversal of 13877936168 is 86163977831.

It can be written as a sum of positive squares in 2 ways, for example, as 13697893444 + 180042724 = 117038^2 + 13418^2 .

It is a super-2 number, since 2×13877936168² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13877936161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21155063 + ... + 21155718.

Almost surely, 2^13877936168 is an apocalyptic number.

It is an amenable number.

13877936168 is a deficient number, since it is larger than the sum of its proper divisors (12777856492).

13877936168 is a wasteful number, since it uses less digits than its factorization.

13877936168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42310828 (or 42310824 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The spelling of 13877936168 in words is "thirteen billion, eight hundred seventy-seven million, nine hundred thirty-six thousand, one hundred sixty-eight".