8247389312 has 72 divisors (see below), whose sum is σ = 17225123265. Its totient is φ = 3933101568.

The previous prime is 8247389287. The next prime is 8247389351. The reversal of 8247389312 is 2139837428.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 7767954496 + 479434816 = 88136^2 + 21896^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64216.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23631314 + ... + 23631662.

Almost surely, 2^8247389312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8247389312

8247389312 is an abundant number, since it is smaller than the sum of its proper divisors (8977733953).

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

8247389312 is an frugal number, since it uses more digits than its factorization.

8247389312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 374 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 8247389312 is about 90815.1381213507. The cubic root of 8247389312 is about 2020.4068480908.

The spelling of 8247389312 in words is "eight billion, two hundred forty-seven million, three hundred eighty-nine thousand, three hundred twelve".