13817787116 has 24 divisors (see below), whose sum is σ = 27735357216. Its totient is φ = 5900526720.

The previous prime is 13817787097. The next prime is 13817787157. The reversal of 13817787116 is 61178771831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883025 + ... + 898536.

It is an arithmetic number, because the mean of its divisors is an integer number (1155639884).

Almost surely, 2^13817787116 is an apocalyptic number.

It is an amenable number.

13817787116 is an abundant number, since it is smaller than the sum of its proper divisors (13917570100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13817787116 is a wasteful number, since it uses less digits than its factorization.

13817787116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781849 (or 1781847 counting only the distinct ones).

The product of its digits is 395136, while the sum is 50.

The spelling of 13817787116 in words is "thirteen billion, eight hundred seventeen million, seven hundred eighty-seven thousand, one hundred sixteen".