27077313173 has 2 divisors, whose sum is σ = 27077313174. Its totient is φ = 27077313172.

The previous prime is 27077313163. The next prime is 27077313217. The reversal of 27077313173 is 37131377072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17236276369 + 9841036804 = 131287^2 + 99202^2 .

It is a cyclic number.

It is not a de Polignac number, because 27077313173 - 2³² = 22782345877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27077313173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27077313113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13538656586 + 13538656587.

It is an arithmetic number, because the mean of its divisors is an integer number (13538656587).

Almost surely, 2^27077313173 is an apocalyptic number.

It is an amenable number.

27077313173 is a deficient number, since it is larger than the sum of its proper divisors (1).

27077313173 is an equidigital number, since it uses as much as digits as its factorization.

27077313173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 41.

The spelling of 27077313173 in words is "twenty-seven billion, seventy-seven million, three hundred thirteen thousand, one hundred seventy-three".