8722871593 has 4 divisors (see below), whose sum is σ = 8724551380. Its totient is φ = 8721191808.

The previous prime is 8722871587. The next prime is 8722871609. The reversal of 8722871593 is 3951782278.

8722871593 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 8398439449 + 324432144 = 91643^2 + 18012^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722871593 - 2²¹ = 8720774441 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 8722871593.

It is not an unprimeable number, because it can be changed into a prime (8722871503) 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, 832080 + ... + 842497.

It is an arithmetic number, because the mean of its divisors is an integer number (2181137845).

Almost surely, 2^8722871593 is an apocalyptic number.

It is an amenable number.

8722871593 is a deficient number, since it is larger than the sum of its proper divisors (1679787).

8722871593 is a wasteful number, since it uses less digits than its factorization.

8722871593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679786.

The product of its digits is 1693440, while the sum is 52.

The square root of 8722871593 is about 93396.3146649802. The cubic root of 8722871593 is about 2058.5108470544.

The spelling of 8722871593 in words is "eight billion, seven hundred twenty-two million, eight hundred seventy-one thousand, five hundred ninety-three".