18827329004 has 24 divisors (see below), whose sum is σ = 35949423888. Its totient is φ = 8556367040.

The previous prime is 18827328959. The next prime is 18827329009. The reversal of 18827329004 is 40092372881.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (18827329009) 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 7 ways as a sum of consecutive naturals, for example, 236954 + ... + 306270.

It is an arithmetic number, because the mean of its divisors is an integer number (1497892662).

Almost surely, 2^18827329004 is an apocalyptic number.

It is an amenable number.

18827329004 is a deficient number, since it is larger than the sum of its proper divisors (17122094884).

18827329004 is a wasteful number, since it uses less digits than its factorization.

18827329004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75505 (or 75503 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 18827329004 in words is "eighteen billion, eight hundred twenty-seven million, three hundred twenty-nine thousand, four".