9935808825 has 24 divisors (see below), whose sum is σ = 16469481600. Its totient is φ = 5285460160.

The previous prime is 9935808793. The next prime is 9935808829. The reversal of 9935808825 is 5288085399.

It is not a de Polignac number, because 9935808825 - 2⁵ = 9935808793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9935808829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141105 + ... + 199454.

It is an arithmetic number, because the mean of its divisors is an integer number (686228400).

Almost surely, 2^9935808825 is an apocalyptic number.

It is an amenable number.

9935808825 is a deficient number, since it is larger than the sum of its proper divisors (6533672775).

9935808825 is a wasteful number, since it uses less digits than its factorization.

9935808825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340961 (or 340956 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 57.

The square root of 9935808825 is about 99678.5274018432. The cubic root of 9935808825 is about 2149.8149344942.

The spelling of 9935808825 in words is "nine billion, nine hundred thirty-five million, eight hundred eight thousand, eight hundred twenty-five".