18083827 has 2 divisors, whose sum is σ = 18083828. Its totient is φ = 18083826.

The previous prime is 18083809. The next prime is 18083831. The reversal of 18083827 is 72838081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18083827 is a prime.

It is not a weakly prime, because it can be changed into another prime (18083627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041913 + 9041914.

It is an arithmetic number, because the mean of its divisors is an integer number (9041914).

Almost surely, 2^18083827 is an apocalyptic number.

18083827 is a deficient number, since it is larger than the sum of its proper divisors (1).

18083827 is an equidigital number, since it uses as much as digits as its factorization.

18083827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 18083827 is about 4252.5083186280. The cubic root of 18083827 is about 262.4803407802.

The spelling of 18083827 in words is "eighteen million, eighty-three thousand, eight hundred twenty-seven".