979353847 has 2 divisors, whose sum is σ = 979353848. Its totient is φ = 979353846.

The previous prime is 979353811. The next prime is 979353889. The reversal of 979353847 is 748353979.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979353847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979353047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489676923 + 489676924.

It is an arithmetic number, because the mean of its divisors is an integer number (489676924).

Almost surely, 2^979353847 is an apocalyptic number.

979353847 is a deficient number, since it is larger than the sum of its proper divisors (1).

979353847 is an equidigital number, since it uses as much as digits as its factorization.

979353847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 55.

The square root of 979353847 is about 31294.6296830622. The cubic root of 979353847 is about 993.0700355282.

The spelling of 979353847 in words is "nine hundred seventy-nine million, three hundred fifty-three thousand, eight hundred forty-seven".