8947530144 has 216 divisors, whose sum is σ = 29959282080. Its totient is φ = 2525306112.

The previous prime is 8947530133. The next prime is 8947530157. The reversal of 8947530144 is 4410357498.

8947530144 is a `hidden beast` number, since 8 + 9 + 475 + 30 + 144 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8947530144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1167477 + ... + 1175115.

It is an arithmetic number, because the mean of its divisors is an integer number (138700380).

Almost surely, 2^8947530144 is an apocalyptic number.

8947530144 is a gapful number since it is divisible by the number (84) 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 8947530144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14979641040).

8947530144 is an abundant number, since it is smaller than the sum of its proper divisors (21011751936).

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

8947530144 is a wasteful number, since it uses less digits than its factorization.

8947530144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752 (or 7734 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 8947530144 is about 94591.3851468515. The cubic root of 8947530144 is about 2076.0336568880.

The spelling of 8947530144 in words is "eight billion, nine hundred forty-seven million, five hundred thirty thousand, one hundred forty-four".