9790128530 has 32 divisors (see below), whose sum is σ = 21688902144. Its totient is φ = 3098414016.

The previous prime is 9790128511. The next prime is 9790128533. The reversal of 9790128530 is 358210979.

It is not an unprimeable number, because it can be changed into a prime (9790128533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5378282 + ... + 5380101.

It is an arithmetic number, because the mean of its divisors is an integer number (677778192).

Almost surely, 2^9790128530 is an apocalyptic number.

9790128530 is an abundant number, since it is smaller than the sum of its proper divisors (11898773614).

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

9790128530 is a wasteful number, since it uses less digits than its factorization.

9790128530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758410.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 9790128530 is about 98945.0783515785. The cubic root of 9790128530 is about 2139.2561925750.

The spelling of 9790128530 in words is "nine billion, seven hundred ninety million, one hundred twenty-eight thousand, five hundred thirty".