18059759 has 2 divisors, whose sum is σ = 18059760. Its totient is φ = 18059758.

The previous prime is 18059731. The next prime is 18059777. The reversal of 18059759 is 95795081.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18059759 - 2¹² = 18055663 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 (18059719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029879 + 9029880.

It is an arithmetic number, because the mean of its divisors is an integer number (9029880).

Almost surely, 2^18059759 is an apocalyptic number.

18059759 is a deficient number, since it is larger than the sum of its proper divisors (1).

18059759 is an equidigital number, since it uses as much as digits as its factorization.

18059759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 18059759 is about 4249.6775171770. The cubic root of 18059759 is about 262.3638429183.

The spelling of 18059759 in words is "eighteen million, fifty-nine thousand, seven hundred fifty-nine".