8212388169 has 32 divisors (see below), whose sum is σ = 12075215616. Its totient is φ = 4942909440.

The previous prime is 8212388167. The next prime is 8212388189. The reversal of 8212388169 is 9618832128.

It is not a de Polignac number, because 8212388169 - 2¹ = 8212388167 is a prime.

It is a super-2 number, since 2×8212388169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8212388167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103329 + ... + 164625.

It is an arithmetic number, because the mean of its divisors is an integer number (377350488).

Almost surely, 2^8212388169 is an apocalyptic number.

It is an amenable number.

8212388169 is a deficient number, since it is larger than the sum of its proper divisors (3862827447).

8212388169 is a wasteful number, since it uses less digits than its factorization.

8212388169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61425.

The product of its digits is 331776, while the sum is 48.

The square root of 8212388169 is about 90622.2277865646. The cubic root of 8212388169 is about 2017.5446565542.

The spelling of 8212388169 in words is "eight billion, two hundred twelve million, three hundred eighty-eight thousand, one hundred sixty-nine".