8325647456 has 144 divisors (see below), whose sum is σ = 20739517344. Its totient is φ = 3211456512.

The previous prime is 8325647441. The next prime is 8325647459. The reversal of 8325647456 is 6547465238.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8325647459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2012366 + ... + 2016498.

It is an arithmetic number, because the mean of its divisors is an integer number (144024426).

Almost surely, 2^8325647456 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 8325647456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10369758672).

8325647456 is an abundant number, since it is smaller than the sum of its proper divisors (12413869888).

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

8325647456 is a wasteful number, since it uses less digits than its factorization.

8325647456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4182 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The square root of 8325647456 is about 91244.9859225152. The cubic root of 8325647456 is about 2026.7771793577. Note that the first 3 decimals are identical.

The spelling of 8325647456 in words is "eight billion, three hundred twenty-five million, six hundred forty-seven thousand, four hundred fifty-six".