13779162117 has 24 divisors (see below), whose sum is σ = 22764416064. Its totient is φ = 7867623744.

The previous prime is 13779162091. The next prime is 13779162127. The reversal of 13779162117 is 71126197731.

13779162117 is a `hidden beast` number, since 1 + 3 + 7 + 7 + 9 + 1 + 621 + 17 = 666.

It is not a de Polignac number, because 13779162117 - 2⁷ = 13779161989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13779162127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4408 + ... + 166065.

It is an arithmetic number, because the mean of its divisors is an integer number (948517336).

Almost surely, 2^13779162117 is an apocalyptic number.

It is an amenable number.

13779162117 is a deficient number, since it is larger than the sum of its proper divisors (8985253947).

13779162117 is a wasteful number, since it uses less digits than its factorization.

13779162117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171769 (or 171766 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The spelling of 13779162117 in words is "thirteen billion, seven hundred seventy-nine million, one hundred sixty-two thousand, one hundred seventeen".