27117884593 has 2 divisors, whose sum is σ = 27117884594. Its totient is φ = 27117884592.

The previous prime is 27117884561. The next prime is 27117884671. The reversal of 27117884593 is 39548871172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19330175089 + 7787709504 = 139033^2 + 88248^2 .

It is a cyclic number.

It is not a de Polignac number, because 27117884593 - 2⁵ = 27117884561 is a prime.

It is not a weakly prime, because it can be changed into another prime (27117884533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13558942296 + 13558942297.

It is an arithmetic number, because the mean of its divisors is an integer number (13558942297).

Almost surely, 2^27117884593 is an apocalyptic number.

It is an amenable number.

27117884593 is a deficient number, since it is larger than the sum of its proper divisors (1).

27117884593 is an equidigital number, since it uses as much as digits as its factorization.

27117884593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 55.

The spelling of 27117884593 in words is "twenty-seven billion, one hundred seventeen million, eight hundred eighty-four thousand, five hundred ninety-three".