9878550528 has 576 divisors, whose sum is σ = 35404387200. Its totient is φ = 2415329280.

The previous prime is 9878550503. The next prime is 9878550529. The reversal of 9878550528 is 8250558789.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878550529) 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 47 ways as a sum of consecutive naturals, for example, 62920626 + ... + 62920782.

It is an arithmetic number, because the mean of its divisors is an integer number (61465950).

Almost surely, 2^9878550528 is an apocalyptic number.

9878550528 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 9878550528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17702193600).

9878550528 is an abundant number, since it is smaller than the sum of its proper divisors (25525836672).

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

9878550528 is a wasteful number, since it uses less digits than its factorization.

9878550528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 57.

The square root of 9878550528 is about 99390.8976114010. The cubic root of 9878550528 is about 2145.6773092696.

The spelling of 9878550528 in words is "nine billion, eight hundred seventy-eight million, five hundred fifty thousand, five hundred twenty-eight".