9647956056 has 16 divisors (see below), whose sum is σ = 24119890200. Its totient is φ = 3215985344.

The previous prime is 9647956051. The next prime is 9647956079. The reversal of 9647956056 is 6506597469.

It is a junction number, because it is equal to n+sod(n) for n = 9647955987 and 9647956005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9647956051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200999061 + ... + 200999108.

Almost surely, 2^9647956056 is an apocalyptic number.

It is an amenable number.

9647956056 is an abundant number, since it is smaller than the sum of its proper divisors (14471934144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9647956056 is a wasteful number, since it uses less digits than its factorization.

9647956056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401998178 (or 401998174 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 57.

The square root of 9647956056 is about 98224.0095699621. The cubic root of 9647956056 is about 2128.8502141618.

The spelling of 9647956056 in words is "nine billion, six hundred forty-seven million, nine hundred fifty-six thousand, fifty-six".