27117095867 has 2 divisors, whose sum is σ = 27117095868. Its totient is φ = 27117095866.

The previous prime is 27117095861. The next prime is 27117096029. The reversal of 27117095867 is 76859071172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27117095867 is a prime.

It is not a weakly prime, because it can be changed into another prime (27117095861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13558547933 + 13558547934.

It is an arithmetic number, because the mean of its divisors is an integer number (13558547934).

Almost surely, 2^27117095867 is an apocalyptic number.

27117095867 is a deficient number, since it is larger than the sum of its proper divisors (1).

27117095867 is an equidigital number, since it uses as much as digits as its factorization.

27117095867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 53.

The spelling of 27117095867 in words is "twenty-seven billion, one hundred seventeen million, ninety-five thousand, eight hundred sixty-seven".