979485679 has 2 divisors, whose sum is σ = 979485680. Its totient is φ = 979485678.

The previous prime is 979485677. The next prime is 979485707. The reversal of 979485679 is 976584979.

It is a weak prime.

It is an emirp because it is prime and its reverse (976584979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979485679 - 2¹ = 979485677 is a prime.

Together with 979485677, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 979485679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979485677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489742839 + 489742840.

It is an arithmetic number, because the mean of its divisors is an integer number (489742840).

Almost surely, 2^979485679 is an apocalyptic number.

979485679 is a deficient number, since it is larger than the sum of its proper divisors (1).

979485679 is an equidigital number, since it uses as much as digits as its factorization.

979485679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 64.

The square root of 979485679 is about 31296.7359160664. The cubic root of 979485679 is about 993.1145929799.

The spelling of 979485679 in words is "nine hundred seventy-nine million, four hundred eighty-five thousand, six hundred seventy-nine".