9447796667 has 2 divisors, whose sum is σ = 9447796668. Its totient is φ = 9447796666.

The previous prime is 9447796651. The next prime is 9447796669. The reversal of 9447796667 is 7666977449.

It is a strong prime.

It is an emirp because it is prime and its reverse (7666977449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9447796667 - 2⁴ = 9447796651 is a prime.

Together with 9447796669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9447796669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723898333 + 4723898334.

It is an arithmetic number, because the mean of its divisors is an integer number (4723898334).

Almost surely, 2^9447796667 is an apocalyptic number.

9447796667 is a deficient number, since it is larger than the sum of its proper divisors (1).

9447796667 is an equidigital number, since it uses as much as digits as its factorization.

9447796667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96018048, while the sum is 65.

The square root of 9447796667 is about 97199.7770933658. Note that the first 3 decimals coincide. The cubic root of 9447796667 is about 2114.0252941930.

The spelling of 9447796667 in words is "nine billion, four hundred forty-seven million, seven hundred ninety-six thousand, six hundred sixty-seven".