320014979 has 2 divisors, whose sum is σ = 320014980. Its totient is φ = 320014978.

The previous prime is 320014973. The next prime is 320014993. The reversal of 320014979 is 979410023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320014979 - 2¹² = 320010883 is a prime.

It is not a weakly prime, because it can be changed into another prime (320014973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160007489 + 160007490.

It is an arithmetic number, because the mean of its divisors is an integer number (160007490).

Almost surely, 2^320014979 is an apocalyptic number.

320014979 is a deficient number, since it is larger than the sum of its proper divisors (1).

320014979 is an equidigital number, since it uses as much as digits as its factorization.

320014979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 320014979 is about 17888.9624908769. The cubic root of 320014979 is about 684.0010508915.

The spelling of 320014979 in words is "three hundred twenty million, fourteen thousand, nine hundred seventy-nine".