27140136677 has 2 divisors, whose sum is σ = 27140136678. Its totient is φ = 27140136676.

The previous prime is 27140136637. The next prime is 27140136679. The reversal of 27140136677 is 77663104172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27106658881 + 33477796 = 164641^2 + 5786^2 .

It is a cyclic number.

It is not a de Polignac number, because 27140136677 - 2⁶ = 27140136613 is a prime.

Together with 27140136679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27140136679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570068338 + 13570068339.

It is an arithmetic number, because the mean of its divisors is an integer number (13570068339).

Almost surely, 2^27140136677 is an apocalyptic number.

It is an amenable number.

27140136677 is a deficient number, since it is larger than the sum of its proper divisors (1).

27140136677 is an equidigital number, since it uses as much as digits as its factorization.

27140136677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 27140136677 in words is "twenty-seven billion, one hundred forty million, one hundred thirty-six thousand, six hundred seventy-seven".