17119979 has 2 divisors, whose sum is σ = 17119980. Its totient is φ = 17119978.

The previous prime is 17119961. The next prime is 17120009. The reversal of 17119979 is 97991171.

It is a weak prime.

It is an emirp because it is prime and its reverse (97991171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17119979 - 2⁸ = 17119723 is a prime.

It is not a weakly prime, because it can be changed into another prime (17119079) 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, 8559989 + 8559990.

It is an arithmetic number, because the mean of its divisors is an integer number (8559990).

Almost surely, 2^17119979 is an apocalyptic number.

17119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

17119979 is an equidigital number, since it uses as much as digits as its factorization.

17119979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35721, while the sum is 44.

The square root of 17119979 is about 4137.6296354314. The cubic root of 17119979 is about 257.7316431274.

The spelling of 17119979 in words is "seventeen million, one hundred nineteen thousand, nine hundred seventy-nine".