27117705047 has 2 divisors, whose sum is σ = 27117705048. Its totient is φ = 27117705046.

The previous prime is 27117705007. The next prime is 27117705059. The reversal of 27117705047 is 74050771172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27117705047 - 2⁸ = 27117704791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27117704995 and 27117705013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27117705007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13558852523 + 13558852524.

It is an arithmetic number, because the mean of its divisors is an integer number (13558852524).

Almost surely, 2^27117705047 is an apocalyptic number.

27117705047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27117705047 is an equidigital number, since it uses as much as digits as its factorization.

27117705047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96040, while the sum is 41.

The spelling of 27117705047 in words is "twenty-seven billion, one hundred seventeen million, seven hundred five thousand, forty-seven".