27782053177 has 2 divisors, whose sum is σ = 27782053178. Its totient is φ = 27782053176.

The previous prime is 27782053121. The next prime is 27782053193. The reversal of 27782053177 is 77135028772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14672719161 + 13109334016 = 121131^2 + 114496^2 .

It is a cyclic number.

It is not a de Polignac number, because 27782053177 - 2³¹ = 25634569529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27782053177.

It is not a weakly prime, because it can be changed into another prime (27782053577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891026588 + 13891026589.

It is an arithmetic number, because the mean of its divisors is an integer number (13891026589).

Almost surely, 2^27782053177 is an apocalyptic number.

It is an amenable number.

27782053177 is a deficient number, since it is larger than the sum of its proper divisors (1).

27782053177 is an equidigital number, since it uses as much as digits as its factorization.

27782053177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 27782053177 in words is "twenty-seven billion, seven hundred eighty-two million, fifty-three thousand, one hundred seventy-seven".