8282717321 has 4 divisors (see below), whose sum is σ = 8285185044. Its totient is φ = 8280249600.

The previous prime is 8282717309. The next prime is 8282717323. The reversal of 8282717321 is 1237172828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2298147721 + 5984569600 = 47939^2 + 77360^2 .

It is a cyclic number.

It is not a de Polignac number, because 8282717321 - 2⁶ = 8282717257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8282717323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228820 + ... + 1235541.

It is an arithmetic number, because the mean of its divisors is an integer number (2071296261).

Almost surely, 2^8282717321 is an apocalyptic number.

It is an amenable number.

8282717321 is a deficient number, since it is larger than the sum of its proper divisors (2467723).

8282717321 is a wasteful number, since it uses less digits than its factorization.

8282717321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467722.

The product of its digits is 75264, while the sum is 41.

The square root of 8282717321 is about 91009.4353405184. The cubic root of 8282717321 is about 2023.2875688924.

The spelling of 8282717321 in words is "eight billion, two hundred eighty-two million, seven hundred seventeen thousand, three hundred twenty-one".