9859213875 has 32 divisors (see below), whose sum is σ = 18749412864. Its totient is φ = 4507068000.

The previous prime is 9859213831. The next prime is 9859213913. The reversal of 9859213875 is 5783129589.

It is not a de Polignac number, because 9859213875 - 2⁹ = 9859213363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875321 + ... + 1880570.

It is an arithmetic number, because the mean of its divisors is an integer number (585919152).

Almost surely, 2^9859213875 is an apocalyptic number.

9859213875 is a deficient number, since it is larger than the sum of its proper divisors (8890198989).

9859213875 is a wasteful number, since it uses less digits than its factorization.

9859213875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755916 (or 3755906 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 57.

The square root of 9859213875 is about 99293.5741878597. The cubic root of 9859213875 is about 2144.2763844932.

The spelling of 9859213875 in words is "nine billion, eight hundred fifty-nine million, two hundred thirteen thousand, eight hundred seventy-five".