18855284276 has 12 divisors (see below), whose sum is σ = 33046823040. Its totient is φ = 9413334840.

The previous prime is 18855284219. The next prime is 18855284297. The reversal of 18855284276 is 67248255881.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 3573860 + ... + 3579131.

It is an arithmetic number, because the mean of its divisors is an integer number (2753901920).

Almost surely, 2^18855284276 is an apocalyptic number.

It is an amenable number.

18855284276 is a deficient number, since it is larger than the sum of its proper divisors (14191538764).

18855284276 is a wasteful number, since it uses less digits than its factorization.

18855284276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153654 (or 7153652 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 56.

The spelling of 18855284276 in words is "eighteen billion, eight hundred fifty-five million, two hundred eighty-four thousand, two hundred seventy-six".