9878750 has 40 divisors (see below), whose sum is σ = 21180720. Its totient is φ = 3384000.

The previous prime is 9878749. The next prime is 9878773. The reversal of 9878750 is 578789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8186 + ... + 9314.

It is an arithmetic number, because the mean of its divisors is an integer number (529518).

Almost surely, 2^9878750 is an apocalyptic number.

9878750 is an abundant number, since it is smaller than the sum of its proper divisors (11301970).

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

9878750 is a wasteful number, since it uses less digits than its factorization.

9878750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 9878750 is about 3143.0478838223. The cubic root of 9878750 is about 214.5691751323.

The spelling of 9878750 in words is "nine million, eight hundred seventy-eight thousand, seven hundred fifty".