18014328387 has 72 divisors (see below), whose sum is σ = 30144520224. Its totient is φ = 10338240000.

The previous prime is 18014328379. The next prime is 18014328403. The reversal of 18014328387 is 78382341081.

18014328387 is a `hidden beast` number, since 180 + 1 + 432 + 8 + 38 + 7 = 666.

It is not a de Polignac number, because 18014328387 - 2³ = 18014328379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18014328487) 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 in 71 ways as a sum of consecutive naturals, for example, 2526187 + ... + 2533307.

It is an arithmetic number, because the mean of its divisors is an integer number (418673892).

Almost surely, 2^18014328387 is an apocalyptic number.

18014328387 is a deficient number, since it is larger than the sum of its proper divisors (12130191837).

18014328387 is a wasteful number, since it uses less digits than its factorization.

18014328387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7259 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 18014328387 in words is "eighteen billion, fourteen million, three hundred twenty-eight thousand, three hundred eighty-seven".