27116507669 has 2 divisors, whose sum is σ = 27116507670. Its totient is φ = 27116507668.

The previous prime is 27116507633. The next prime is 27116507689. The reversal of 27116507669 is 96670561172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26474544100 + 641963569 = 162710^2 + 25337^2 .

It is a cyclic number.

It is not a de Polignac number, because 27116507669 - 2²⁰ = 27115459093 is a prime.

It is a super-2 number, since 2×27116507669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27116507689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13558253834 + 13558253835.

It is an arithmetic number, because the mean of its divisors is an integer number (13558253835).

Almost surely, 2^27116507669 is an apocalyptic number.

It is an amenable number.

27116507669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27116507669 is an equidigital number, since it uses as much as digits as its factorization.

27116507669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 27116507669 in words is "twenty-seven billion, one hundred sixteen million, five hundred seven thousand, six hundred sixty-nine".