18768382276 has 48 divisors (see below), whose sum is σ = 37807943040. Its totient is φ = 7985698560.

The previous prime is 18768382249. The next prime is 18768382277. The reversal of 18768382276 is 67228386781.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18768382276.

It is not an unprimeable number, because it can be changed into a prime (18768382277) 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, 2222430 + ... + 2230858.

It is an arithmetic number, because the mean of its divisors is an integer number (787665480).

Almost surely, 2^18768382276 is an apocalyptic number.

It is an amenable number.

18768382276 is an abundant number, since it is smaller than the sum of its proper divisors (19039560764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18768382276 is a wasteful number, since it uses less digits than its factorization.

18768382276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004 (or 9002 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The spelling of 18768382276 in words is "eighteen billion, seven hundred sixty-eight million, three hundred eighty-two thousand, two hundred seventy-six".