8684218674 has 12 divisors (see below), whose sum is σ = 18815807166. Its totient is φ = 2894739552.

The previous prime is 8684218667. The next prime is 8684218691. The reversal of 8684218674 is 4768124868.

It can be written as a sum of positive squares in only one way, i.e., 7848719649 + 835499025 = 88593^2 + 28905^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8684218674.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 241228279 + ... + 241228314.

Almost surely, 2^8684218674 is an apocalyptic number.

8684218674 is an abundant number, since it is smaller than the sum of its proper divisors (10131588492).

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

8684218674 is a wasteful number, since it uses less digits than its factorization.

8684218674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482456601 (or 482456598 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 8684218674 is about 93189.1553454585. The cubic root of 8684218674 is about 2055.4657768159.

The spelling of 8684218674 in words is "eight billion, six hundred eighty-four million, two hundred eighteen thousand, six hundred seventy-four".