13917787116 has 24 divisors (see below), whose sum is σ = 32477027520. Its totient is φ = 4638949392.

The previous prime is 13917787087. The next prime is 13917787151. The reversal of 13917787116 is 61178771931.

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, 209215 + ... + 267593.

It is an arithmetic number, because the mean of its divisors is an integer number (1353209480).

Almost surely, 2^13917787116 is an apocalyptic number.

It is an amenable number.

13917787116 is an abundant number, since it is smaller than the sum of its proper divisors (18559240404).

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

13917787116 is a wasteful number, since it uses less digits than its factorization.

13917787116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78253 (or 78251 counting only the distinct ones).

The product of its digits is 444528, while the sum is 51.

The spelling of 13917787116 in words is "thirteen billion, nine hundred seventeen million, seven hundred eighty-seven thousand, one hundred sixteen".