8517214218 has 32 divisors (see below), whose sum is σ = 17637393600. Its totient is φ = 2738750336.

The previous prime is 8517214163. The next prime is 8517214219. The reversal of 8517214218 is 8124127158.

It is not an unprimeable number, because it can be changed into a prime (8517214219) 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, 181318 + ... + 223406.

It is an arithmetic number, because the mean of its divisors is an integer number (551168550).

Almost surely, 2^8517214218 is an apocalyptic number.

8517214218 is an abundant number, since it is smaller than the sum of its proper divisors (9120179382).

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

8517214218 is a wasteful number, since it uses less digits than its factorization.

8517214218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43286.

The product of its digits is 35840, while the sum is 39.

The square root of 8517214218 is about 92288.7545587218. The cubic root of 8517214218 is about 2042.2043180586.

The spelling of 8517214218 in words is "eight billion, five hundred seventeen million, two hundred fourteen thousand, two hundred eighteen".