18068879 has 2 divisors, whose sum is σ = 18068880. Its totient is φ = 18068878.

The previous prime is 18068873. The next prime is 18068891. The reversal of 18068879 is 97886081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18068879 - 2⁴ = 18068863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18068873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9034439 + 9034440.

It is an arithmetic number, because the mean of its divisors is an integer number (9034440).

Almost surely, 2^18068879 is an apocalyptic number.

18068879 is a deficient number, since it is larger than the sum of its proper divisors (1).

18068879 is an equidigital number, since it uses as much as digits as its factorization.

18068879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 18068879 is about 4250.7504043404. The cubic root of 18068879 is about 262.4079992031.

The spelling of 18068879 in words is "eighteen million, sixty-eight thousand, eight hundred seventy-nine".