2775282857 has 2 divisors, whose sum is σ = 2775282858. Its totient is φ = 2775282856.

The previous prime is 2775282847. The next prime is 2775282859. The reversal of 2775282857 is 7582825772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2502900841 + 272382016 = 50029^2 + 16504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775282857 - 2⁴ = 2775282841 is a prime.

Together with 2775282859, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2775282799 and 2775282808.

It is not a weakly prime, because it can be changed into another prime (2775282859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387641428 + 1387641429.

It is an arithmetic number, because the mean of its divisors is an integer number (1387641429).

Almost surely, 2^2775282857 is an apocalyptic number.

It is an amenable number.

2775282857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775282857 is an equidigital number, since it uses as much as digits as its factorization.

2775282857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4390400, while the sum is 53.

The square root of 2775282857 is about 52680.9534556845. The cubic root of 2775282857 is about 1405.3001232357.

The spelling of 2775282857 in words is "two billion, seven hundred seventy-five million, two hundred eighty-two thousand, eight hundred fifty-seven".