27044323277857 has 2 divisors, whose sum is σ = 27044323277858. Its totient is φ = 27044323277856.

The previous prime is 27044323277833. The next prime is 27044323277893. The reversal of 27044323277857 is 75877232344072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18182514697216 + 8861808580641 = 4264096^2 + 2976879^2 .

It is a cyclic number.

It is not a de Polignac number, because 27044323277857 - 2⁷ = 27044323277729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27044323277795 and 27044323277804.

It is not a weakly prime, because it can be changed into another prime (27044323275857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13522161638928 + 13522161638929.

It is an arithmetic number, because the mean of its divisors is an integer number (13522161638929).

Almost surely, 2^{27044323277857} is an apocalyptic number.

It is an amenable number.

27044323277857 is a deficient number, since it is larger than the sum of its proper divisors (1).

27044323277857 is an equidigital number, since it uses as much as digits as its factorization.

27044323277857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110638080, while the sum is 61.

The spelling of 27044323277857 in words is "twenty-seven trillion, forty-four billion, three hundred twenty-three million, two hundred seventy-seven thousand, eight hundred fifty-seven".