13775786117 has 4 divisors (see below), whose sum is σ = 14096153280. Its totient is φ = 13455418956.

The previous prime is 13775786093. The next prime is 13775786119. The reversal of 13775786117 is 71168757731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13775786117 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 (13775786119) 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, 160183517 + ... + 160183602.

It is an arithmetic number, because the mean of its divisors is an integer number (3524038320).

Almost surely, 2^13775786117 is an apocalyptic number.

It is an amenable number.

13775786117 is a deficient number, since it is larger than the sum of its proper divisors (320367163).

13775786117 is an equidigital number, since it uses as much as digits as its factorization.

13775786117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320367162.

The product of its digits is 1728720, while the sum is 53.

The spelling of 13775786117 in words is "thirteen billion, seven hundred seventy-five million, seven hundred eighty-six thousand, one hundred seventeen".