8281728016 has 15 divisors (see below), whose sum is σ = 16046553343. Its totient is φ = 4140682000.

The previous prime is 8281728011. The next prime is 8281728053. The reversal of 8281728016 is 6108271828.

The square root of 8281728016 is 91004.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8281728011) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 352641 + ... + 375391.

Almost surely, 2^8281728016 is an apocalyptic number.

8281728016 is the 91004-th square number.

It is an amenable number.

8281728016 is a deficient number, since it is larger than the sum of its proper divisors (7764825327).

8281728016 is an frugal number, since it uses more digits than its factorization.

8281728016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45510 (or 22753 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The cubic root of 8281728016 is about 2023.2070104585.

The spelling of 8281728016 in words is "eight billion, two hundred eighty-one million, seven hundred twenty-eight thousand, sixteen".