679832579 has 2 divisors, whose sum is σ = 679832580. Its totient is φ = 679832578.

The previous prime is 679832563. The next prime is 679832609. The reversal of 679832579 is 975238976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679832579 - 2⁴ = 679832563 is a prime.

It is not a weakly prime, because it can be changed into another prime (679832509) 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, 339916289 + 339916290.

It is an arithmetic number, because the mean of its divisors is an integer number (339916290).

Almost surely, 2^679832579 is an apocalyptic number.

679832579 is a deficient number, since it is larger than the sum of its proper divisors (1).

679832579 is an equidigital number, since it uses as much as digits as its factorization.

679832579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The square root of 679832579 is about 26073.5992720606. The cubic root of 679832579 is about 879.2937597217.

The spelling of 679832579 in words is "six hundred seventy-nine million, eight hundred thirty-two thousand, five hundred seventy-nine".