27317005057 has 2 divisors, whose sum is σ = 27317005058. Its totient is φ = 27317005056.

The previous prime is 27317004977. The next prime is 27317005063. The reversal of 27317005057 is 75050071372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14257315216 + 13059689841 = 119404^2 + 114279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27317005057 is a prime.

It is not a weakly prime, because it can be changed into another prime (27317005657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13658502528 + 13658502529.

It is an arithmetic number, because the mean of its divisors is an integer number (13658502529).

Almost surely, 2^27317005057 is an apocalyptic number.

It is an amenable number.

27317005057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27317005057 is an equidigital number, since it uses as much as digits as its factorization.

27317005057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51450, while the sum is 37.

The spelling of 27317005057 in words is "twenty-seven billion, three hundred seventeen million, five thousand, fifty-seven".