27782323273 has 2 divisors, whose sum is σ = 27782323274. Its totient is φ = 27782323272.

The previous prime is 27782323259. The next prime is 27782323301. The reversal of 27782323273 is 37232328772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27361129744 + 421193529 = 165412^2 + 20523^2 .

It is a cyclic number.

It is not a de Polignac number, because 27782323273 - 2²⁹ = 27245452361 is a prime.

It is not a weakly prime, because it can be changed into another prime (27782323243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891161636 + 13891161637.

It is an arithmetic number, because the mean of its divisors is an integer number (13891161637).

Almost surely, 2^27782323273 is an apocalyptic number.

It is an amenable number.

27782323273 is a deficient number, since it is larger than the sum of its proper divisors (1).

27782323273 is an equidigital number, since it uses as much as digits as its factorization.

27782323273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 46.

The spelling of 27782323273 in words is "twenty-seven billion, seven hundred eighty-two million, three hundred twenty-three thousand, two hundred seventy-three".