8209539328 has 36 divisors (see below), whose sum is σ = 16452425808. Its totient is φ = 4088384000.

The previous prime is 8209539311. The next prime is 8209539353. The reversal of 8209539328 is 8239359028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 128137.

It is an arithmetic number, because the mean of its divisors is an integer number (457011828).

Almost surely, 2^8209539328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8209539328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8226212904).

8209539328 is an abundant number, since it is smaller than the sum of its proper divisors (8242886480).

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

8209539328 is a wasteful number, since it uses less digits than its factorization.

8209539328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128030 (or 128016 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 8209539328 is about 90606.5081989147. The cubic root of 8209539328 is about 2017.3113371446.

The spelling of 8209539328 in words is "eight billion, two hundred nine million, five hundred thirty-nine thousand, three hundred twenty-eight".