27507206057 has 2 divisors, whose sum is σ = 27507206058. Its totient is φ = 27507206056.

The previous prime is 27507206039. The next prime is 27507206087. The reversal of 27507206057 is 75060270572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27393229081 + 113976976 = 165509^2 + 10676^2 .

It is a cyclic number.

It is not a de Polignac number, because 27507206057 - 2¹² = 27507201961 is a prime.

It is not a weakly prime, because it can be changed into another prime (27507206087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753603028 + 13753603029.

It is an arithmetic number, because the mean of its divisors is an integer number (13753603029).

Almost surely, 2^27507206057 is an apocalyptic number.

It is an amenable number.

27507206057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27507206057 is an equidigital number, since it uses as much as digits as its factorization.

27507206057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 27507206057 in words is "twenty-seven billion, five hundred seven million, two hundred six thousand, fifty-seven".