979847263 has 2 divisors, whose sum is σ = 979847264. Its totient is φ = 979847262.

The previous prime is 979847251. The next prime is 979847353. The reversal of 979847263 is 362748979.

It is a weak prime.

It is an emirp because it is prime and its reverse (362748979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979847263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979847203) 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, 489923631 + 489923632.

It is an arithmetic number, because the mean of its divisors is an integer number (489923632).

Almost surely, 2^979847263 is an apocalyptic number.

979847263 is a deficient number, since it is larger than the sum of its proper divisors (1).

979847263 is an equidigital number, since it uses as much as digits as its factorization.

979847263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 55.

The square root of 979847263 is about 31302.5120876903. The cubic root of 979847263 is about 993.2367830150.

The spelling of 979847263 in words is "nine hundred seventy-nine million, eight hundred forty-seven thousand, two hundred sixty-three".