8227569816 has 112 divisors (see below), whose sum is σ = 23927518800. Its totient is φ = 2647899072.

The previous prime is 8227569751. The next prime is 8227569839. The reversal of 8227569816 is 6189657228.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 144805 + ... + 193451.

Almost surely, 2^8227569816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8227569816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11963759400).

8227569816 is an abundant number, since it is smaller than the sum of its proper divisors (15699948984).

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

8227569816 is a wasteful number, since it uses less digits than its factorization.

8227569816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48700 (or 48681 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 8227569816 is about 90705.9524838365. The cubic root of 8227569816 is about 2018.7871207940.

The spelling of 8227569816 in words is "eight billion, two hundred twenty-seven million, five hundred sixty-nine thousand, eight hundred sixteen".