8539281223 has 8 divisors (see below), whose sum is σ = 9318808080. Its totient is φ = 7760292480.

The previous prime is 8539281199. The next prime is 8539281227. The reversal of 8539281223 is 3221829358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8539281223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8539281223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8539281227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100978 + ... + 165151.

It is an arithmetic number, because the mean of its divisors is an integer number (1164851010).

Almost surely, 2^8539281223 is an apocalyptic number.

8539281223 is a deficient number, since it is larger than the sum of its proper divisors (779526857).

8539281223 is a wasteful number, since it uses less digits than its factorization.

8539281223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269057.

The product of its digits is 207360, while the sum is 43.

The square root of 8539281223 is about 92408.2313595494. The cubic root of 8539281223 is about 2043.9664931931.

The spelling of 8539281223 in words is "eight billion, five hundred thirty-nine million, two hundred eighty-one thousand, two hundred twenty-three".