9447109056 has 840 divisors, whose sum is σ = 37291572864. Its totient is φ = 2347107840.

The previous prime is 9447109037. The next prime is 9447109127. The reversal of 9447109056 is 6509017449.

9447109056 is a `hidden beast` number, since 94 + 471 + 0 + 90 + 5 + 6 = 666.

It is a super-2 number, since 2×9447109056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 410743861 + ... + 410743883.

Almost surely, 2^9447109056 is an apocalyptic number.

9447109056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9447109056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18645786432).

9447109056 is an abundant number, since it is smaller than the sum of its proper divisors (27844463808).

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

9447109056 is an equidigital number, since it uses as much as digits as its factorization.

9447109056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 9447109056 is about 97196.2399272729. The cubic root of 9447109056 is about 2113.9740066684.

The spelling of 9447109056 in words is "nine billion, four hundred forty-seven million, one hundred nine thousand, fifty-six".