8005317247 has 2 divisors, whose sum is σ = 8005317248. Its totient is φ = 8005317246.

The previous prime is 8005317239. The next prime is 8005317259. The reversal of 8005317247 is 7427135008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8005317247 - 2³ = 8005317239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8005317277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002658623 + 4002658624.

It is an arithmetic number, because the mean of its divisors is an integer number (4002658624).

Almost surely, 2^8005317247 is an apocalyptic number.

8005317247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005317247 is an equidigital number, since it uses as much as digits as its factorization.

8005317247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 8005317247 is about 89472.4384768852. The cubic root of 8005317247 is about 2000.4430057824.

The spelling of 8005317247 in words is "eight billion, five million, three hundred seventeen thousand, two hundred forty-seven".