8979941863 has 2 divisors, whose sum is σ = 8979941864. Its totient is φ = 8979941862.

The previous prime is 8979941857. The next prime is 8979941891. The reversal of 8979941863 is 3681499798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8979941863 - 2¹³ = 8979933671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8979941795 and 8979941804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8979942863) 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, 4489970931 + 4489970932.

It is an arithmetic number, because the mean of its divisors is an integer number (4489970932).

Almost surely, 2^8979941863 is an apocalyptic number.

8979941863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8979941863 is an equidigital number, since it uses as much as digits as its factorization.

8979941863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 64.

The square root of 8979941863 is about 94762.5551734439. Note that the first 3 decimals coincide. The cubic root of 8979941863 is about 2078.5373919334.

The spelling of 8979941863 in words is "eight billion, nine hundred seventy-nine million, nine hundred forty-one thousand, eight hundred sixty-three".