18856883396 has 48 divisors (see below), whose sum is σ = 36960842688. Its totient is φ = 8361360000.

The previous prime is 18856883371. The next prime is 18856883399. The reversal of 18856883396 is 69338865881.

It is not an unprimeable number, because it can be changed into a prime (18856883399) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67271 + ... + 205521.

It is an arithmetic number, because the mean of its divisors is an integer number (770017556).

Almost surely, 2^18856883396 is an apocalyptic number.

It is an amenable number.

18856883396 is a deficient number, since it is larger than the sum of its proper divisors (18103959292).

18856883396 is a wasteful number, since it uses less digits than its factorization.

18856883396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138372 (or 138370 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 65.

The spelling of 18856883396 in words is "eighteen billion, eight hundred fifty-six million, eight hundred eighty-three thousand, three hundred ninety-six".