27082940777 has 2 divisors, whose sum is σ = 27082940778. Its totient is φ = 27082940776.

The previous prime is 27082940641. The next prime is 27082940783. The reversal of 27082940777 is 77704928072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23037471961 + 4045468816 = 151781^2 + 63604^2 .

It is a cyclic number.

It is not a de Polignac number, because 27082940777 - 2³⁴ = 9903071593 is a prime.

It is a super-2 number, since 2×27082940777² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27082940077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13541470388 + 13541470389.

It is an arithmetic number, because the mean of its divisors is an integer number (13541470389).

Almost surely, 2^27082940777 is an apocalyptic number.

It is an amenable number.

27082940777 is a deficient number, since it is larger than the sum of its proper divisors (1).

27082940777 is an equidigital number, since it uses as much as digits as its factorization.

27082940777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The spelling of 27082940777 in words is "twenty-seven billion, eighty-two million, nine hundred forty thousand, seven hundred seventy-seven".