9768280228 has 72 divisors (see below), whose sum is σ = 21515905152. Its totient is φ = 3793540608.

The previous prime is 9768280187. The next prime is 9768280229. The reversal of 9768280228 is 8220828679.

It is a super-2 number, since 2×9768280228² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9768280229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211476 + ... + 253492.

It is an arithmetic number, because the mean of its divisors is an integer number (298832016).

Almost surely, 2^9768280228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9768280228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10757952576).

9768280228 is an abundant number, since it is smaller than the sum of its proper divisors (11747624924).

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

9768280228 is a wasteful number, since it uses less digits than its factorization.

9768280228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42089 (or 42068 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 9768280228 is about 98834.6104762901. The cubic root of 9768280228 is about 2137.6636385010.

The spelling of 9768280228 in words is "nine billion, seven hundred sixty-eight million, two hundred eighty thousand, two hundred twenty-eight".