8318219980 has 48 divisors (see below), whose sum is σ = 19971705600. Its totient is φ = 2850821568.

The previous prime is 8318219977. The next prime is 8318219993. The reversal of 8318219980 is 899128138.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 387571 + ... + 408469.

It is an arithmetic number, because the mean of its divisors is an integer number (416077200).

Almost surely, 2^8318219980 is an apocalyptic number.

It is an amenable number.

8318219980 is an abundant number, since it is smaller than the sum of its proper divisors (11653485620).

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

8318219980 is a wasteful number, since it uses less digits than its factorization.

8318219980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23758 (or 23756 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 8318219980 is about 91204.2761058932. The cubic root of 8318219980 is about 2026.1742906027.

The spelling of 8318219980 in words is "eight billion, three hundred eighteen million, two hundred nineteen thousand, nine hundred eighty".