979624823 has 2 divisors, whose sum is σ = 979624824. Its totient is φ = 979624822.

The previous prime is 979624801. The next prime is 979624837. The reversal of 979624823 is 328426979.

It is a strong prime.

It is an emirp because it is prime and its reverse (328426979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979624823 - 2⁶ = 979624759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979624873) 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, 489812411 + 489812412.

It is an arithmetic number, because the mean of its divisors is an integer number (489812412).

Almost surely, 2^979624823 is an apocalyptic number.

979624823 is a deficient number, since it is larger than the sum of its proper divisors (1).

979624823 is an equidigital number, since it uses as much as digits as its factorization.

979624823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 979624823 is about 31298.9588165485. The cubic root of 979624823 is about 993.1616174530.

The spelling of 979624823 in words is "nine hundred seventy-nine million, six hundred twenty-four thousand, eight hundred twenty-three".