9547968647 has 6 divisors (see below), whose sum is σ = 11106820728. Its totient is φ = 8183973084.

The previous prime is 9547968637. The next prime is 9547968713. The reversal of 9547968647 is 7468697459.

It is not a de Polignac number, because 9547968647 - 2⁴ = 9547968631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9547968637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97428203 + ... + 97428300.

It is an arithmetic number, because the mean of its divisors is an integer number (1851136788).

Almost surely, 2^9547968647 is an apocalyptic number.

9547968647 is a deficient number, since it is larger than the sum of its proper divisors (1558852081).

9547968647 is a wasteful number, since it uses less digits than its factorization.

9547968647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194856517 (or 194856510 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 65.

The square root of 9547968647 is about 97713.7075696138. The cubic root of 9547968647 is about 2121.4704885605.

The spelling of 9547968647 in words is "nine billion, five hundred forty-seven million, nine hundred sixty-eight thousand, six hundred forty-seven".