980660579 has 2 divisors, whose sum is σ = 980660580. Its totient is φ = 980660578.

The previous prime is 980660503. The next prime is 980660581. The reversal of 980660579 is 975066089.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980660579 is a prime.

Together with 980660581, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (980660179) 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, 490330289 + 490330290.

It is an arithmetic number, because the mean of its divisors is an integer number (490330290).

Almost surely, 2^980660579 is an apocalyptic number.

980660579 is a deficient number, since it is larger than the sum of its proper divisors (1).

980660579 is an equidigital number, since it uses as much as digits as its factorization.

980660579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 980660579 is about 31315.5006187032. The cubic root of 980660579 is about 993.5115169773.

The spelling of 980660579 in words is "nine hundred eighty million, six hundred sixty thousand, five hundred seventy-nine".