8423244647 has 16 divisors (see below), whose sum is σ = 8556782592. Its totient is φ = 8291082240.

The previous prime is 8423244617. The next prime is 8423244659. The reversal of 8423244647 is 7464423248.

It is a happy number.

8423244647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8423244647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8423244598 and 8423244607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423244617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13740713 + ... + 13741325.

It is an arithmetic number, because the mean of its divisors is an integer number (534798912).

Almost surely, 2^8423244647 is an apocalyptic number.

8423244647 is a deficient number, since it is larger than the sum of its proper divisors (133537945).

8423244647 is a wasteful number, since it uses less digits than its factorization.

8423244647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its digits is 1032192, while the sum is 44.

The square root of 8423244647 is about 91778.2362382281. The cubic root of 8423244647 is about 2034.6660481850. Note that the first 3 decimals are identical.

The spelling of 8423244647 in words is "eight billion, four hundred twenty-three million, two hundred forty-four thousand, six hundred forty-seven".