9982572217 has 8 divisors (see below), whose sum is σ = 10421856000. Its totient is φ = 9543726720.

The previous prime is 9982572161. The next prime is 9982572247. The reversal of 9982572217 is 7122752899.

It is a happy number.

9982572217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9982572217 - 2¹⁵ = 9982539449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9982572247) 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 7 ways as a sum of consecutive naturals, for example, 62584 + ... + 154537.

It is an arithmetic number, because the mean of its divisors is an integer number (1302732000).

Almost surely, 2^9982572217 is an apocalyptic number.

It is an amenable number.

9982572217 is a deficient number, since it is larger than the sum of its proper divisors (439283783).

9982572217 is a wasteful number, since it uses less digits than its factorization.

9982572217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219143.

The product of its digits is 1270080, while the sum is 52.

The square root of 9982572217 is about 99912.8230859283. The cubic root of 9982572217 is about 2153.1823949168.

The spelling of 9982572217 in words is "nine billion, nine hundred eighty-two million, five hundred seventy-two thousand, two hundred seventeen".