18828278384 has 20 divisors (see below), whose sum is σ = 36544602216. Its totient is φ = 9397413312.

The previous prime is 18828278317. The next prime is 18828278431. The reversal of 18828278384 is 48387282881.

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 3 ways as a sum of consecutive naturals, for example, 1036079 + ... + 1054094.

Almost surely, 2^18828278384 is an apocalyptic number.

It is an amenable number.

18828278384 is a deficient number, since it is larger than the sum of its proper divisors (17716323832).

18828278384 is a wasteful number, since it uses less digits than its factorization.

18828278384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090744 (or 2090738 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 59.

The spelling of 18828278384 in words is "eighteen billion, eight hundred twenty-eight million, two hundred seventy-eight thousand, three hundred eighty-four".