18078503876 has 48 divisors (see below), whose sum is σ = 33947410560. Its totient is φ = 8398494720.

The previous prime is 18078503869. The next prime is 18078503917. The reversal of 18078503876 is 67830587081.

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 15 ways as a sum of consecutive naturals, for example, 1630985 + ... + 1642031.

It is an arithmetic number, because the mean of its divisors is an integer number (707237720).

Almost surely, 2^18078503876 is an apocalyptic number.

It is an amenable number.

18078503876 is a deficient number, since it is larger than the sum of its proper divisors (15868906684).

18078503876 is a wasteful number, since it uses less digits than its factorization.

18078503876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 18078503876 in words is "eighteen billion, seventy-eight million, five hundred three thousand, eight hundred seventy-six".