18800059 has 2 divisors, whose sum is σ = 18800060. Its totient is φ = 18800058.

The previous prime is 18800053. The next prime is 18800069. The reversal of 18800059 is 95000881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18800059 - 2³ = 18800051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18800059.

It is not a weakly prime, because it can be changed into another prime (18800051) 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, 9400029 + 9400030.

It is an arithmetic number, because the mean of its divisors is an integer number (9400030).

Almost surely, 2^18800059 is an apocalyptic number.

18800059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18800059 is an equidigital number, since it uses as much as digits as its factorization.

18800059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 18800059 is about 4335.9034813981. The cubic root of 18800059 is about 265.9008572050.

The spelling of 18800059 in words is "eighteen million, eight hundred thousand, fifty-nine".