8294047218 has 32 divisors (see below), whose sum is σ = 18434841600. Its totient is φ = 2764138608.

The previous prime is 8294047211. The next prime is 8294047247. The reversal of 8294047218 is 8127404928.

8294047218 is a `hidden beast` number, since 8 + 29 + 404 + 7 + 218 = 666.

It is not an unprimeable number, because it can be changed into a prime (8294047211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337455 + ... + 361197.

It is an arithmetic number, because the mean of its divisors is an integer number (576088800).

Almost surely, 2^8294047218 is an apocalyptic number.

8294047218 is an abundant number, since it is smaller than the sum of its proper divisors (10140794382).

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

8294047218 is a wasteful number, since it uses less digits than its factorization.

8294047218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30223 (or 30217 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 8294047218 is about 91071.6597960090. The cubic root of 8294047218 is about 2024.2096976423.

The spelling of 8294047218 in words is "eight billion, two hundred ninety-four million, forty-seven thousand, two hundred eighteen".