27527711677 has 2 divisors, whose sum is σ = 27527711678. Its totient is φ = 27527711676.

The previous prime is 27527711639. The next prime is 27527711741. The reversal of 27527711677 is 77611772572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25824168601 + 1703543076 = 160699^2 + 41274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27527711677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27527711077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13763855838 + 13763855839.

It is an arithmetic number, because the mean of its divisors is an integer number (13763855839).

Almost surely, 2^27527711677 is an apocalyptic number.

It is an amenable number.

27527711677 is a deficient number, since it is larger than the sum of its proper divisors (1).

27527711677 is an equidigital number, since it uses as much as digits as its factorization.

27527711677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016840, while the sum is 52.

The spelling of 27527711677 in words is "twenty-seven billion, five hundred twenty-seven million, seven hundred eleven thousand, six hundred seventy-seven".