8328352728 has 16 divisors (see below), whose sum is σ = 20820881880. Its totient is φ = 2776117568.

The previous prime is 8328352723. The next prime is 8328352741. The reversal of 8328352728 is 8272538238.

It is a super-2 number, since 2×8328352728² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8328352723) 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, 173507325 + ... + 173507372.

Almost surely, 2^8328352728 is an apocalyptic number.

It is an amenable number.

8328352728 is an abundant number, since it is smaller than the sum of its proper divisors (12492529152).

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

8328352728 is a wasteful number, since it uses less digits than its factorization.

8328352728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347014706 (or 347014702 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 8328352728 is about 91259.8089412859. The cubic root of 8328352728 is about 2026.9966773937.

The spelling of 8328352728 in words is "eight billion, three hundred twenty-eight million, three hundred fifty-two thousand, seven hundred twenty-eight".