8381782998 has 48 divisors (see below), whose sum is σ = 18774611856. Its totient is φ = 2700794880.

The previous prime is 8381782991. The next prime is 8381783017. The reversal of 8381782998 is 8992871838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381782991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19258 + ... + 130898.

It is an arithmetic number, because the mean of its divisors is an integer number (391137747).

Almost surely, 2^8381782998 is an apocalyptic number.

8381782998 is an abundant number, since it is smaller than the sum of its proper divisors (10392828858).

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

8381782998 is a wasteful number, since it uses less digits than its factorization.

8381782998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111789 (or 111786 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 8381782998 is about 91552.0780648916. The cubic root of 8381782998 is about 2031.3221504906.

The spelling of 8381782998 in words is "eight billion, three hundred eighty-one million, seven hundred eighty-two thousand, nine hundred ninety-eight".