27777675017 has 2 divisors, whose sum is σ = 27777675018. Its totient is φ = 27777675016.

The previous prime is 27777674993. The next prime is 27777675041. The reversal of 27777675017 is 71057677772.

It is a balanced prime because it is at equal distance from previous prime (27777674993) and next prime (27777675041).

It can be written as a sum of positive squares in only one way, i.e., 25693204681 + 2084470336 = 160291^2 + 45656^2 .

It is a cyclic number.

It is not a de Polignac number, because 27777675017 - 2²⁰ = 27776626441 is a prime.

It is not a weakly prime, because it can be changed into another prime (27777675047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888837508 + 13888837509.

It is an arithmetic number, because the mean of its divisors is an integer number (13888837509).

Almost surely, 2^27777675017 is an apocalyptic number.

It is an amenable number.

27777675017 is a deficient number, since it is larger than the sum of its proper divisors (1).

27777675017 is an equidigital number, since it uses as much as digits as its factorization.

27777675017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7058940, while the sum is 56.

The spelling of 27777675017 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, seventeen".