8718572223 has 12 divisors (see below), whose sum is σ = 12900652128. Its totient is φ = 5670615840.

The previous prime is 8718572207. The next prime is 8718572227. The reversal of 8718572223 is 3222758178.

8718572223 is a `hidden beast` number, since 8 + 71 + 8 + 572 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 8718572223 - 2⁴ = 8718572207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8718572227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11813415 + ... + 11814152.

It is an arithmetic number, because the mean of its divisors is an integer number (1075054344).

Almost surely, 2^8718572223 is an apocalyptic number.

8718572223 is a deficient number, since it is larger than the sum of its proper divisors (4182079905).

8718572223 is a wasteful number, since it uses less digits than its factorization.

8718572223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23627614 (or 23627611 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 8718572223 is about 93373.2950205786. The cubic root of 8718572223 is about 2058.1725886363.

The spelling of 8718572223 in words is "eight billion, seven hundred eighteen million, five hundred seventy-two thousand, two hundred twenty-three".