8043407847 has 24 divisors (see below), whose sum is σ = 11718907200. Its totient is φ = 5315958720.

The previous prime is 8043407843. The next prime is 8043407893. The reversal of 8043407847 is 7487043408.

It is not a de Polignac number, because 8043407847 - 2² = 8043407843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8043407843) 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, 719938 + ... + 731024.

It is an arithmetic number, because the mean of its divisors is an integer number (488287800).

Almost surely, 2^8043407847 is an apocalyptic number.

8043407847 is a deficient number, since it is larger than the sum of its proper divisors (3675499353).

8043407847 is a wasteful number, since it uses less digits than its factorization.

8043407847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11780 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 8043407847 is about 89685.0480682260. The cubic root of 8043407847 is about 2003.6107977301.

The spelling of 8043407847 in words is "eight billion, forty-three million, four hundred seven thousand, eight hundred forty-seven".