18276768868 has 12 divisors (see below), whose sum is σ = 32283265392. Its totient is φ = 9052978760.

The previous prime is 18276768793. The next prime is 18276768869. The reversal of 18276768868 is 86886767281.

It is not an unprimeable number, because it can be changed into a prime (18276768869) by changing a digit.

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, 21350938 + ... + 21351793.

It is an arithmetic number, because the mean of its divisors is an integer number (2690272116).

Almost surely, 2^18276768868 is an apocalyptic number.

It is an amenable number.

18276768868 is a deficient number, since it is larger than the sum of its proper divisors (14006496524).

18276768868 is a wasteful number, since it uses less digits than its factorization.

18276768868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42702842 (or 42702840 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 67.

The spelling of 18276768868 in words is "eighteen billion, two hundred seventy-six million, seven hundred sixty-eight thousand, eight hundred sixty-eight".