18768382282 has 8 divisors (see below), whose sum is σ = 30318156036. Its totient is φ = 8662330272.

The previous prime is 18768382277. The next prime is 18768382289. The reversal of 18768382282 is 28228386781.

It can be written as a sum of positive squares in 2 ways, for example, as 14156478361 + 4611903921 = 118981^2 + 67911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18768382289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360930403 + ... + 360930454.

Almost surely, 2^18768382282 is an apocalyptic number.

18768382282 is a deficient number, since it is larger than the sum of its proper divisors (11549773754).

18768382282 is a wasteful number, since it uses less digits than its factorization.

18768382282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721860872.

The product of its digits is 4128768, while the sum is 55.

The spelling of 18768382282 in words is "eighteen billion, seven hundred sixty-eight million, three hundred eighty-two thousand, two hundred eighty-two".