18879003800 has 48 divisors (see below), whose sum is σ = 44914487640. Its totient is φ = 7375979520.

The previous prime is 18879003743. The next prime is 18879003817. The reversal of 18879003800 is 830097881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089017 + ... + 1106216.

Almost surely, 2^18879003800 is an apocalyptic number.

18879003800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18879003800 is an abundant number, since it is smaller than the sum of its proper divisors (26035483840).

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

18879003800 is a wasteful number, since it uses less digits than its factorization.

18879003800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195292 (or 2195283 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 18879003800 in words is "eighteen billion, eight hundred seventy-nine million, three thousand, eight hundred".