8353228817 has 32 divisors (see below), whose sum is σ = 9495753120. Its totient is φ = 7307919360.

The previous prime is 8353228787. The next prime is 8353228841. The reversal of 8353228817 is 7188223538.

It is a happy number.

It is a Cunningham number, because it is equal to 91396²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 913936 + 8352314881 = 956^2 + 91391^2 .

It is a cyclic number.

It is not a de Polignac number, because 8353228817 - 2¹⁰ = 8353227793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8353228847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767017 + ... + 1771737.

It is an arithmetic number, because the mean of its divisors is an integer number (296742285).

Almost surely, 2^8353228817 is an apocalyptic number.

It is an amenable number.

8353228817 is a deficient number, since it is larger than the sum of its proper divisors (1142524303).

8353228817 is a wasteful number, since it uses less digits than its factorization.

8353228817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901.

The product of its digits is 645120, while the sum is 47.

The square root of 8353228817 is about 91396.0000054707. Note that the first 5 decimals coincide. The cubic root of 8353228817 is about 2029.0128275538.

The spelling of 8353228817 in words is "eight billion, three hundred fifty-three million, two hundred twenty-eight thousand, eight hundred seventeen".