8217928312 has 16 divisors (see below), whose sum is σ = 16809399000. Its totient is φ = 3735421920.

The previous prime is 8217928283. The next prime is 8217928337. The reversal of 8217928312 is 2138297128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46692687 + ... + 46692862.

Almost surely, 2^8217928312 is an apocalyptic number.

It is an amenable number.

8217928312 is an abundant number, since it is smaller than the sum of its proper divisors (8591470688).

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

8217928312 is a wasteful number, since it uses less digits than its factorization.

8217928312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93385566 (or 93385562 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 8217928312 is about 90652.7898743332. The cubic root of 8217928312 is about 2017.9982385145.

The spelling of 8217928312 in words is "eight billion, two hundred seventeen million, nine hundred twenty-eight thousand, three hundred twelve".