8827166209 has 9 divisors (see below), whose sum is σ = 9023488257. Its totient is φ = 8635032324.

The previous prime is 8827166203. The next prime is 8827166239. The reversal of 8827166209 is 9026617288.

The square root of 8827166209 is 93953.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-8827166209 is a prime.

It is a super-2 number, since 2×8827166209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8827166203) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4414792 + ... + 4416790.

Almost surely, 2^8827166209 is an apocalyptic number.

8827166209 is the 93953-rd square number.

8827166209 is the 46977-th centered octagonal number.

It is an amenable number.

8827166209 is a deficient number, since it is larger than the sum of its proper divisors (196322048).

8827166209 is an frugal number, since it uses more digits than its factorization.

8827166209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The cubic root of 8827166209 is about 2066.6825286186.

Multiplying 8827166209 by its sum of digits (49), we get a square (432531144241 = 657671²).

The spelling of 8827166209 in words is "eight billion, eight hundred twenty-seven million, one hundred sixty-six thousand, two hundred nine".