8226947817 has 80 divisors (see below), whose sum is σ = 13998371904. Its totient is φ = 4770576000.

The previous prime is 8226947801. The next prime is 8226947831. The reversal of 8226947817 is 7187496228.

It is a happy number.

It is not a de Polignac number, because 8226947817 - 2⁴ = 8226947801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8226945817) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2008942 + ... + 2013032.

Almost surely, 2^8226947817 is an apocalyptic number.

It is an amenable number.

8226947817 is a deficient number, since it is larger than the sum of its proper divisors (5771424087).

8226947817 is a wasteful number, since it uses less digits than its factorization.

8226947817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4203 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 8226947817 is about 90702.5237631236. The cubic root of 8226947817 is about 2018.7362465082.

The spelling of 8226947817 in words is "eight billion, two hundred twenty-six million, nine hundred forty-seven thousand, eight hundred seventeen".