27417256317 has 12 divisors (see below), whose sum is σ = 43202949504. Its totient is φ = 16616518920.

The previous prime is 27417256259. The next prime is 27417256337. The reversal of 27417256317 is 71365271472.

27417256317 is a `hidden beast` number, since 2 + 7 + 4 + 1 + 7 + 2 + 5 + 631 + 7 = 666.

It is not a de Polignac number, because 27417256317 - 2¹⁹ = 27416732029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27417256337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138470893 + ... + 138471090.

It is an arithmetic number, because the mean of its divisors is an integer number (3600245792).

Almost surely, 2^27417256317 is an apocalyptic number.

It is an amenable number.

27417256317 is a deficient number, since it is larger than the sum of its proper divisors (15785693187).

27417256317 is a wasteful number, since it uses less digits than its factorization.

27417256317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276942000 (or 276941997 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The spelling of 27417256317 in words is "twenty-seven billion, four hundred seventeen million, two hundred fifty-six thousand, three hundred seventeen".