679459559 has 2 divisors, whose sum is σ = 679459560. Its totient is φ = 679459558.

The previous prime is 679459507. The next prime is 679459567. The reversal of 679459559 is 955954976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679459559 - 2⁸ = 679459303 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 679459498 and 679459507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679455559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339729779 + 339729780.

It is an arithmetic number, because the mean of its divisors is an integer number (339729780).

Almost surely, 2^679459559 is an apocalyptic number.

679459559 is a deficient number, since it is larger than the sum of its proper divisors (1).

679459559 is an equidigital number, since it uses as much as digits as its factorization.

679459559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309000, while the sum is 59.

The square root of 679459559 is about 26066.4450779158. The cubic root of 679459559 is about 879.1329092534.

The spelling of 679459559 in words is "six hundred seventy-nine million, four hundred fifty-nine thousand, five hundred fifty-nine".