18087035792 has 20 divisors (see below), whose sum is σ = 40049865216. Its totient is φ = 7751586720.

The previous prime is 18087035741. The next prime is 18087035801. The reversal of 18087035792 is 29753078081.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18087035792.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80745584 + ... + 80745807.

Almost surely, 2^18087035792 is an apocalyptic number.

It is an amenable number.

18087035792 is an abundant number, since it is smaller than the sum of its proper divisors (21962829424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18087035792 is a wasteful number, since it uses less digits than its factorization.

18087035792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161491406 (or 161491400 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 18087035792 in words is "eighteen billion, eighty-seven million, thirty-five thousand, seven hundred ninety-two".