27047509057 has 2 divisors, whose sum is σ = 27047509058. Its totient is φ = 27047509056.

The previous prime is 27047509051. The next prime is 27047509067. The reversal of 27047509057 is 75090574072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18200977921 + 8846531136 = 134911^2 + 94056^2 .

It is a cyclic number.

It is not a de Polignac number, because 27047509057 - 2¹¹ = 27047507009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27047508998 and 27047509016.

It is not a weakly prime, because it can be changed into another prime (27047509051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13523754528 + 13523754529.

It is an arithmetic number, because the mean of its divisors is an integer number (13523754529).

Almost surely, 2^27047509057 is an apocalyptic number.

It is an amenable number.

27047509057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27047509057 is an equidigital number, since it uses as much as digits as its factorization.

27047509057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 27047509057 in words is "twenty-seven billion, forty-seven million, five hundred nine thousand, fifty-seven".