9878841875 has 80 divisors (see below), whose sum is σ = 14575334400. Its totient is φ = 6553344000.

The previous prime is 9878841859. The next prime is 9878841881. The reversal of 9878841875 is 5781488789.

It is not a de Polignac number, because 9878841875 - 2⁴ = 9878841859 is a prime.

Its product of digits (36126720) is a multiple of the sum of its prime factors (630).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22001651 + ... + 22002099.

It is an arithmetic number, because the mean of its divisors is an integer number (182191680).

Almost surely, 2^9878841875 is an apocalyptic number.

9878841875 is a deficient number, since it is larger than the sum of its proper divisors (4696492525).

9878841875 is a wasteful number, since it uses less digits than its factorization.

9878841875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 615 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 65.

The square root of 9878841875 is about 99392.3632629791. The cubic root of 9878841875 is about 2145.6984031369.

The spelling of 9878841875 in words is "nine billion, eight hundred seventy-eight million, eight hundred forty-one thousand, eight hundred seventy-five".