27076163657 has 2 divisors, whose sum is σ = 27076163658. Its totient is φ = 27076163656.

The previous prime is 27076163567. The next prime is 27076163669. The reversal of 27076163657 is 75636167072.

Together with previous prime (27076163567) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22319164816 + 4756998841 = 149396^2 + 68971^2 .

It is a cyclic number.

It is not a de Polignac number, because 27076163657 - 2²⁸ = 26807728201 is a prime.

It is a super-2 number, since 2×27076163657² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27076163057) 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, 13538081828 + 13538081829.

It is an arithmetic number, because the mean of its divisors is an integer number (13538081829).

Almost surely, 2^27076163657 is an apocalyptic number.

It is an amenable number.

27076163657 is a deficient number, since it is larger than the sum of its proper divisors (1).

27076163657 is an equidigital number, since it uses as much as digits as its factorization.

27076163657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 27076163657 in words is "twenty-seven billion, seventy-six million, one hundred sixty-three thousand, six hundred fifty-seven".