27056780680277 has 2 divisors, whose sum is σ = 27056780680278. Its totient is φ = 27056780680276.

The previous prime is 27056780680231. The next prime is 27056780680333. The reversal of 27056780680277 is 77208608765072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19358231240401 + 7698549439876 = 4399799^2 + 2774626^2 .

It is a cyclic number.

It is not a de Polignac number, because 27056780680277 - 2¹⁴ = 27056780663893 is a prime.

It is a super-2 number, since 2×27056780680277² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27056780680207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528390340138 + 13528390340139.

It is an arithmetic number, because the mean of its divisors is an integer number (13528390340139).

Almost surely, 2^{27056780680277} is an apocalyptic number.

It is an amenable number.

27056780680277 is a deficient number, since it is larger than the sum of its proper divisors (1).

27056780680277 is an equidigital number, since it uses as much as digits as its factorization.

27056780680277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110638080, while the sum is 65.

The spelling of 27056780680277 in words is "twenty-seven trillion, fifty-six billion, seven hundred eighty million, six hundred eighty thousand, two hundred seventy-seven".