8320217712 has 40 divisors (see below), whose sum is σ = 21618159504. Its totient is φ = 2757371904.

The previous prime is 8320217687. The next prime is 8320217747. The reversal of 8320217712 is 2177120238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492673 + ... + 509280.

Almost surely, 2^8320217712 is an apocalyptic number.

It is an amenable number.

8320217712 is an abundant number, since it is smaller than the sum of its proper divisors (13297941792).

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

8320217712 is a wasteful number, since it uses less digits than its factorization.

8320217712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002137 (or 1002131 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 8320217712 is about 91215.2274129709. The cubic root of 8320217712 is about 2026.3364819221.

The spelling of 8320217712 in words is "eight billion, three hundred twenty million, two hundred seventeen thousand, seven hundred twelve".