27474741326777 has 2 divisors, whose sum is σ = 27474741326778. Its totient is φ = 27474741326776.

The previous prime is 27474741326737. The next prime is 27474741326779. The reversal of 27474741326777 is 77762314747472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21212555392681 + 6262185934096 = 4605709^2 + 2502436^2 .

It is a cyclic number.

It is not a de Polignac number, because 27474741326777 - 2⁸ = 27474741326521 is a prime.

It is a super-2 number, since 2×27474741326777² (a number of 28 digits) contains 22 as substring.

Together with 27474741326779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27474741326779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13737370663388 + 13737370663389.

It is an arithmetic number, because the mean of its divisors is an integer number (13737370663389).

Almost surely, 2^{27474741326777} is an apocalyptic number.

It is an amenable number.

27474741326777 is a deficient number, since it is larger than the sum of its proper divisors (1).

27474741326777 is an equidigital number, since it uses as much as digits as its factorization.

27474741326777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 542126592, while the sum is 68.

The spelling of 27474741326777 in words is "twenty-seven trillion, four hundred seventy-four billion, seven hundred forty-one million, three hundred twenty-six thousand, seven hundred seventy-seven".