8514864220 has 12 divisors (see below), whose sum is σ = 17881214904. Its totient is φ = 3405945680.

The previous prime is 8514864199. The next prime is 8514864221. The reversal of 8514864220 is 224684158.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8514864221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212871586 + ... + 212871625.

It is an arithmetic number, because the mean of its divisors is an integer number (1490101242).

Almost surely, 2^8514864220 is an apocalyptic number.

It is an amenable number.

8514864220 is an abundant number, since it is smaller than the sum of its proper divisors (9366350684).

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

8514864220 is a wasteful number, since it uses less digits than its factorization.

8514864220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425743220 (or 425743218 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 8514864220 is about 92276.0219125207. The cubic root of 8514864220 is about 2042.0164781777.

The spelling of 8514864220 in words is "eight billion, five hundred fourteen million, eight hundred sixty-four thousand, two hundred twenty".