2859816979 has 2 divisors, whose sum is σ = 2859816980. Its totient is φ = 2859816978.

The previous prime is 2859816859. The next prime is 2859817003. The reversal of 2859816979 is 9796189582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2859816979 - 2⁷ = 2859816851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2859816979.

It is not a weakly prime, because it can be changed into another prime (2859816079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429908489 + 1429908490.

It is an arithmetic number, because the mean of its divisors is an integer number (1429908490).

Almost surely, 2^2859816979 is an apocalyptic number.

2859816979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859816979 is an equidigital number, since it uses as much as digits as its factorization.

2859816979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 64.

The square root of 2859816979 is about 53477.2566517767. The cubic root of 2859816979 is about 1419.4259696279.

The spelling of 2859816979 in words is "two billion, eight hundred fifty-nine million, eight hundred sixteen thousand, nine hundred seventy-nine".