8722779227 has 4 divisors (see below), whose sum is σ = 8791462656. Its totient is φ = 8654095800.

The previous prime is 8722779211. The next prime is 8722779253. The reversal of 8722779227 is 7229772278.

8722779227 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 is a cyclic number.

It is not a de Polignac number, because 8722779227 - 2⁴ = 8722779211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8722779127) 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, 34341524 + ... + 34341777.

It is an arithmetic number, because the mean of its divisors is an integer number (2197865664).

Almost surely, 2^8722779227 is an apocalyptic number.

8722779227 is a deficient number, since it is larger than the sum of its proper divisors (68683429).

8722779227 is a wasteful number, since it uses less digits than its factorization.

8722779227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68683428.

The product of its digits is 2765952, while the sum is 53.

The square root of 8722779227 is about 93395.8201794920. The cubic root of 8722779227 is about 2058.5035812099.

The spelling of 8722779227 in words is "eight billion, seven hundred twenty-two million, seven hundred seventy-nine thousand, two hundred twenty-seven".