9788233728 has 576 divisors, whose sum is σ = 34037508960. Its totient is φ = 2477260800.

The previous prime is 9788233723. The next prime is 9788233733. The reversal of 9788233728 is 8273328879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9788233723) and next prime (9788233733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788233723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160462818 + ... + 160462878.

Almost surely, 2^9788233728 is an apocalyptic number.

9788233728 is a gapful number since it is divisible by the number (98) 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 9788233728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17018754480).

9788233728 is an abundant number, since it is smaller than the sum of its proper divisors (24249275232).

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

9788233728 is a wasteful number, since it uses less digits than its factorization.

9788233728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 127 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 9788233728 is about 98935.5028692936. The cubic root of 9788233728 is about 2139.1181716276.

The spelling of 9788233728 in words is "nine billion, seven hundred eighty-eight million, two hundred thirty-three thousand, seven hundred twenty-eight".