9868812825 has 24 divisors (see below), whose sum is σ = 16695894688. Its totient is φ = 5140961280.

The previous prime is 9868812809. The next prime is 9868812847. The reversal of 9868812825 is 5282188689.

It is not a de Polignac number, because 9868812825 - 2⁴ = 9868812809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1526824 + ... + 1533273.

Almost surely, 2^9868812825 is an apocalyptic number.

It is an amenable number.

9868812825 is a deficient number, since it is larger than the sum of its proper divisors (6827081863).

9868812825 is a wasteful number, since it uses less digits than its factorization.

9868812825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060153 (or 3060148 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 57.

The square root of 9868812825 is about 99341.8986379866. The cubic root of 9868812825 is about 2144.9720493421.

The spelling of 9868812825 in words is "nine billion, eight hundred sixty-eight million, eight hundred twelve thousand, eight hundred twenty-five".