8226517136856 has 16 divisors (see below), whose sum is σ = 20566292842200. Its totient is φ = 2742172378944.

The previous prime is 8226517136819. The next prime is 8226517136861. The reversal of 8226517136856 is 6586317156228.

It is a self number, because there is not a number n which added to its sum of digits gives 8226517136856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171385773661 + ... + 171385773708.

Almost surely, 2^{8226517136856} is an apocalyptic number.

It is an amenable number.

8226517136856 is an abundant number, since it is smaller than the sum of its proper divisors (12339775705344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8226517136856 is a wasteful number, since it uses less digits than its factorization.

8226517136856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342771547378 (or 342771547374 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 8226517136856 in words is "eight trillion, two hundred twenty-six billion, five hundred seventeen million, one hundred thirty-six thousand, eight hundred fifty-six".