9789552000 has 1024 divisors, whose sum is σ = 40327372800. Its totient is φ = 2322432000.

The previous prime is 9789551987. The next prime is 9789552041. The reversal of 9789552000 is 2559879.

It is a happy number.

9789552000 is a `hidden beast` number, since 97 + 8 + 9 + 552 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 227663979 + ... + 227664021.

It is an arithmetic number, because the mean of its divisors is an integer number (39382200).

Almost surely, 2^9789552000 is an apocalyptic number.

9789552000 is a gapful number since it is divisible by the number (90) 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 9789552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20163686400).

9789552000 is an abundant number, since it is smaller than the sum of its proper divisors (30537820800).

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

9789552000 is a wasteful number, since it uses less digits than its factorization.

9789552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 9789552000 is about 98942.1649247680. The cubic root of 9789552000 is about 2139.2141989287.

The spelling of 9789552000 in words is "nine billion, seven hundred eighty-nine million, five hundred fifty-two thousand".