9959247056 has 20 divisors (see below), whose sum is σ = 21050227104. Its totient is φ = 4526930400.

The previous prime is 9959247049. The next prime is 9959247083. The reversal of 9959247056 is 6507429599.

It is a junction number, because it is equal to n+sod(n) for n = 9959246992 and 9959247010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28293140 + ... + 28293491.

Almost surely, 2^9959247056 is an apocalyptic number.

It is an amenable number.

9959247056 is an abundant number, since it is smaller than the sum of its proper divisors (11090980048).

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

9959247056 is a wasteful number, since it uses less digits than its factorization.

9959247056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56586650 (or 56586644 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 56.

The square root of 9959247056 is about 99796.0272555977. The cubic root of 9959247056 is about 2151.5040534744.

The spelling of 9959247056 in words is "nine billion, nine hundred fifty-nine million, two hundred forty-seven thousand, fifty-six".