9878250528789 has 16 divisors (see below), whose sum is σ = 14034591995328. Its totient is φ = 6158639515392.

The previous prime is 9878250528761. The next prime is 9878250528803.

9878250528789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9878250528789 - 2⁸ = 9878250528533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878250523789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616842907 + ... + 616858920.

It is an arithmetic number, because the mean of its divisors is an integer number (877161999708).

Almost surely, 2^{9878250528789} is an apocalyptic number.

It is an amenable number.

9878250528789 is a deficient number, since it is larger than the sum of its proper divisors (4156341466539).

9878250528789 is a wasteful number, since it uses less digits than its factorization.

9878250528789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233702004.

The product of its (nonzero) digits is 1625702400, while the sum is 78.

The spelling of 9878250528789 in words is "nine trillion, eight hundred seventy-eight billion, two hundred fifty million, five hundred twenty-eight thousand, seven hundred eighty-nine".