979222927 has 2 divisors, whose sum is σ = 979222928. Its totient is φ = 979222926.

The previous prime is 979222897. The next prime is 979222991. The reversal of 979222927 is 729222979.

It is a weak prime.

It is an emirp because it is prime and its reverse (729222979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979222927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979522927) 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, 489611463 + 489611464.

It is an arithmetic number, because the mean of its divisors is an integer number (489611464).

Almost surely, 2^979222927 is an apocalyptic number.

979222927 is a deficient number, since it is larger than the sum of its proper divisors (1).

979222927 is an equidigital number, since it uses as much as digits as its factorization.

979222927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 979222927 is about 31292.5378804596. The cubic root of 979222927 is about 993.0257823630.

The spelling of 979222927 in words is "nine hundred seventy-nine million, two hundred twenty-two thousand, nine hundred twenty-seven".