979378559 has 2 divisors, whose sum is σ = 979378560. Its totient is φ = 979378558.

The previous prime is 979378531. The next prime is 979378637. The reversal of 979378559 is 955873979.

It is a happy number.

979378559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (955873979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979378559 - 2¹² = 979374463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979378259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489689279 + 489689280.

It is an arithmetic number, because the mean of its divisors is an integer number (489689280).

Almost surely, 2^979378559 is an apocalyptic number.

979378559 is a deficient number, since it is larger than the sum of its proper divisors (1).

979378559 is an equidigital number, since it uses as much as digits as its factorization.

979378559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21432600, while the sum is 62.

The square root of 979378559 is about 31295.0245086979. The cubic root of 979378559 is about 993.0783881580.

The spelling of 979378559 in words is "nine hundred seventy-nine million, three hundred seventy-eight thousand, five hundred fifty-nine".