679180589 has 2 divisors, whose sum is σ = 679180590. Its totient is φ = 679180588.

The previous prime is 679180561. The next prime is 679180613. The reversal of 679180589 is 985081976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357588100 + 321592489 = 18910^2 + 17933^2 .

It is a cyclic number.

It is not a de Polignac number, because 679180589 - 2¹⁶ = 679115053 is a prime.

It is a super-2 number, since 2×679180589² = 922572544948773842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679180589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679180189) 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, 339590294 + 339590295.

It is an arithmetic number, because the mean of its divisors is an integer number (339590295).

Almost surely, 2^679180589 is an apocalyptic number.

It is an amenable number.

679180589 is a deficient number, since it is larger than the sum of its proper divisors (1).

679180589 is an equidigital number, since it uses as much as digits as its factorization.

679180589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 679180589 is about 26061.0933960953. The cubic root of 679180589 is about 879.0125757339.

The spelling of 679180589 in words is "six hundred seventy-nine million, one hundred eighty thousand, five hundred eighty-nine".