6815008847 has 2 divisors, whose sum is σ = 6815008848. Its totient is φ = 6815008846.

The previous prime is 6815008819. The next prime is 6815008913. The reversal of 6815008847 is 7488005186.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6815008847 - 2⁸ = 6815008591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6815008747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407504423 + 3407504424.

It is an arithmetic number, because the mean of its divisors is an integer number (3407504424).

Almost surely, 2^6815008847 is an apocalyptic number.

6815008847 is a deficient number, since it is larger than the sum of its proper divisors (1).

6815008847 is an equidigital number, since it uses as much as digits as its factorization.

6815008847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 6815008847 is about 82553.0668539940. The cubic root of 6815008847 is about 1895.9293132648.

The spelling of 6815008847 in words is "six billion, eight hundred fifteen million, eight thousand, eight hundred forty-seven".