18796844867 has 2 divisors, whose sum is σ = 18796844868. Its totient is φ = 18796844866.

The previous prime is 18796844779. The next prime is 18796844873. The reversal of 18796844867 is 76844869781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18796844867 - 2¹⁸ = 18796582723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18796844797 and 18796844806.

It is not a weakly prime, because it can be changed into another prime (18796844567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9398422433 + 9398422434.

It is an arithmetic number, because the mean of its divisors is an integer number (9398422434).

Almost surely, 2^18796844867 is an apocalyptic number.

18796844867 is a deficient number, since it is larger than the sum of its proper divisors (1).

18796844867 is an equidigital number, since it uses as much as digits as its factorization.

18796844867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 68.

The spelling of 18796844867 in words is "eighteen billion, seven hundred ninety-six million, eight hundred forty-four thousand, eight hundred sixty-seven".