8716227565 has 4 divisors (see below), whose sum is σ = 10459473084. Its totient is φ = 6972982048.

The previous prime is 8716227491. The next prime is 8716227571. The reversal of 8716227565 is 5657226178.

It is a happy number.

8716227565 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 3626689284 + 5089538281 = 60222^2 + 71341^2 .

It is a cyclic number.

It is not a de Polignac number, because 8716227565 - 2¹³ = 8716219373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 871622752 + ... + 871622761.

It is an arithmetic number, because the mean of its divisors is an integer number (2614868271).

Almost surely, 2^8716227565 is an apocalyptic number.

It is an amenable number.

8716227565 is a deficient number, since it is larger than the sum of its proper divisors (1743245519).

8716227565 is a wasteful number, since it uses less digits than its factorization.

8716227565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743245518.

The product of its digits is 1411200, while the sum is 49.

The square root of 8716227565 is about 93360.7388841798. The cubic root of 8716227565 is about 2057.9880728175.

The spelling of 8716227565 in words is "eight billion, seven hundred sixteen million, two hundred twenty-seven thousand, five hundred sixty-five".