18882518884 has 12 divisors (see below), whose sum is σ = 33235417404. Its totient is φ = 9386685344.

The previous prime is 18882518867. The next prime is 18882518917. The reversal of 18882518884 is 48881528881.

It can be written as a sum of positive squares in 2 ways, for example, as 12285505600 + 6597013284 = 110840^2 + 81222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13642747 + ... + 13644130.

It is an arithmetic number, because the mean of its divisors is an integer number (2769618117).

Almost surely, 2^18882518884 is an apocalyptic number.

It is an amenable number.

18882518884 is a deficient number, since it is larger than the sum of its proper divisors (14352898520).

18882518884 is a wasteful number, since it uses less digits than its factorization.

18882518884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27287054 (or 27287052 counting only the distinct ones).

The product of its digits is 10485760, while the sum is 61.

The spelling of 18882518884 in words is "eighteen billion, eight hundred eighty-two million, five hundred eighteen thousand, eight hundred eighty-four".