9788803128 has 384 divisors, whose sum is σ = 31306176000. Its totient is φ = 2826869760.

The previous prime is 9788803117. The next prime is 9788803183. The reversal of 9788803128 is 8213088879.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74723623 + ... + 74723753.

It is an arithmetic number, because the mean of its divisors is an integer number (81526500).

Almost surely, 2^9788803128 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 9788803128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15653088000).

9788803128 is an abundant number, since it is smaller than the sum of its proper divisors (21517372872).

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

9788803128 is a wasteful number, since it uses less digits than its factorization.

9788803128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 9788803128 is about 98938.3804597589. The cubic root of 9788803128 is about 2139.1596496682.

The spelling of 9788803128 in words is "nine billion, seven hundred eighty-eight million, eight hundred three thousand, one hundred twenty-eight".