27317813137 has 8 divisors (see below), whose sum is σ = 27680316800. Its totient is φ = 26955727344.

The previous prime is 27317813123. The next prime is 27317813251. The reversal of 27317813137 is 73131871372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27317813137 - 2¹⁹ = 27317288849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27317813093 and 27317813102.

It is not an unprimeable number, because it can be changed into a prime (27317813737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28258 + ... + 235444.

It is an arithmetic number, because the mean of its divisors is an integer number (3460039600).

Almost surely, 2^27317813137 is an apocalyptic number.

It is an amenable number.

27317813137 is a deficient number, since it is larger than the sum of its proper divisors (362503663).

27317813137 is a wasteful number, since it uses less digits than its factorization.

27317813137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208935.

The product of its digits is 148176, while the sum is 43.

The spelling of 27317813137 in words is "twenty-seven billion, three hundred seventeen million, eight hundred thirteen thousand, one hundred thirty-seven".