8453172211 has 4 divisors (see below), whose sum is σ = 9221642424. Its totient is φ = 7684702000.

The previous prime is 8453172187. The next prime is 8453172239. The reversal of 8453172211 is 1122713548.

8453172211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8453172211 - 2⁵ = 8453172179 is a prime.

It is a super-2 number, since 2×8453172211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8453172281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384235090 + ... + 384235111.

It is an arithmetic number, because the mean of its divisors is an integer number (2305410606).

Almost surely, 2^8453172211 is an apocalyptic number.

8453172211 is a deficient number, since it is larger than the sum of its proper divisors (768470213).

8453172211 is a wasteful number, since it uses less digits than its factorization.

8453172211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768470212.

The product of its digits is 13440, while the sum is 34.

The square root of 8453172211 is about 91941.1344883236. The cubic root of 8453172211 is about 2037.0729047010.

Adding to 8453172211 its reverse (1122713548), we get a palindrome (9575885759).

The spelling of 8453172211 in words is "eight billion, four hundred fifty-three million, one hundred seventy-two thousand, two hundred eleven".