18780094902 has 16 divisors (see below), whose sum is σ = 38074713840. Its totient is φ = 6174277632.

The previous prime is 18780094867. The next prime is 18780094919. The reversal of 18780094902 is 20949008781.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21438027 + ... + 21438902.

It is an arithmetic number, because the mean of its divisors is an integer number (2379669615).

Almost surely, 2^18780094902 is an apocalyptic number.

18780094902 is an abundant number, since it is smaller than the sum of its proper divisors (19294618938).

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

18780094902 is a wasteful number, since it uses less digits than its factorization.

18780094902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42877007.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 18780094902 in words is "eighteen billion, seven hundred eighty million, ninety-four thousand, nine hundred two".