18087832039 has 8 divisors (see below), whose sum is σ = 18206709120. Its totient is φ = 17969153400.

The previous prime is 18087832031. The next prime is 18087832067. The reversal of 18087832039 is 93023878081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18087832039 - 2³ = 18087832031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18087831983 and 18087832001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18087832031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135544 + ... + 233554.

It is an arithmetic number, because the mean of its divisors is an integer number (2275838640).

Almost surely, 2^18087832039 is an apocalyptic number.

18087832039 is a deficient number, since it is larger than the sum of its proper divisors (118877081).

18087832039 is a wasteful number, since it uses less digits than its factorization.

18087832039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99221.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 18087832039 in words is "eighteen billion, eighty-seven million, eight hundred thirty-two thousand, thirty-nine".