18379079 has 2 divisors, whose sum is σ = 18379080. Its totient is φ = 18379078.

The previous prime is 18379037. The next prime is 18379147. The reversal of 18379079 is 97097381.

It is a weak prime.

It is an emirp because it is prime and its reverse (97097381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18379079 - 2⁸ = 18378823 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 (18379279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9189539 + 9189540.

It is an arithmetic number, because the mean of its divisors is an integer number (9189540).

Almost surely, 2^18379079 is an apocalyptic number.

18379079 is a deficient number, since it is larger than the sum of its proper divisors (1).

18379079 is an equidigital number, since it uses as much as digits as its factorization.

18379079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 18379079 is about 4287.0828076910. The cubic root of 18379079 is about 263.9011289925.

The spelling of 18379079 in words is "eighteen million, three hundred seventy-nine thousand, seventy-nine".