18087035796 has 18 divisors (see below), whose sum is σ = 45720007242. Its totient is φ = 6029011920.

The previous prime is 18087035741. The next prime is 18087035801. The reversal of 18087035796 is 69753078081.

It can be written as a sum of positive squares in only one way, i.e., 10781914896 + 7305120900 = 103836^2 + 85470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251208795 + ... + 251208866.

Almost surely, 2^18087035796 is an apocalyptic number.

It is an amenable number.

18087035796 is an abundant number, since it is smaller than the sum of its proper divisors (27632971446).

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

18087035796 is a wasteful number, since it uses less digits than its factorization.

18087035796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502417671 (or 502417666 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 18087035796 in words is "eighteen billion, eighty-seven million, thirty-five thousand, seven hundred ninety-six".