2773656979 has 2 divisors, whose sum is σ = 2773656980. Its totient is φ = 2773656978.

The previous prime is 2773656967. The next prime is 2773656989. The reversal of 2773656979 is 9796563772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2773656979 - 2⁹ = 2773656467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2773656959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386828489 + 1386828490.

It is an arithmetic number, because the mean of its divisors is an integer number (1386828490).

Almost surely, 2^2773656979 is an apocalyptic number.

2773656979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773656979 is an equidigital number, since it uses as much as digits as its factorization.

2773656979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30005640, while the sum is 61.

The square root of 2773656979 is about 52665.5198303406. The cubic root of 2773656979 is about 1405.0256415578.

The spelling of 2773656979 in words is "two billion, seven hundred seventy-three million, six hundred fifty-six thousand, nine hundred seventy-nine".