27177327713 has 2 divisors, whose sum is σ = 27177327714. Its totient is φ = 27177327712.

The previous prime is 27177327679. The next prime is 27177327731. The reversal of 27177327713 is 31772377172.

Together with next prime (27177327731) 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., 26839613584 + 337714129 = 163828^2 + 18377^2 .

It is a cyclic number.

It is not a de Polignac number, because 27177327713 - 2¹⁰ = 27177326689 is a prime.

It is not a weakly prime, because it can be changed into another prime (27177327113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13588663856 + 13588663857.

It is an arithmetic number, because the mean of its divisors is an integer number (13588663857).

Almost surely, 2^27177327713 is an apocalyptic number.

It is an amenable number.

27177327713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27177327713 is an equidigital number, since it uses as much as digits as its factorization.

27177327713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 605052, while the sum is 47.

The spelling of 27177327713 in words is "twenty-seven billion, one hundred seventy-seven million, three hundred twenty-seven thousand, seven hundred thirteen".