9985896135 has 64 divisors (see below), whose sum is σ = 18822706560. Its totient is φ = 5005670400.

The previous prime is 9985896121. The next prime is 9985896187. The reversal of 9985896135 is 5316985899.

9985896135 is a `hidden beast` number, since 9 + 9 + 8 + 5 + 8 + 9 + 613 + 5 = 666.

It is not a de Polignac number, because 9985896135 - 2⁴ = 9985896119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1955085 + ... + 1960185.

It is an arithmetic number, because the mean of its divisors is an integer number (294104790).

Almost surely, 2^9985896135 is an apocalyptic number.

9985896135 is a deficient number, since it is larger than the sum of its proper divisors (8836810425).

9985896135 is a wasteful number, since it uses less digits than its factorization.

9985896135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5979 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The square root of 9985896135 is about 99929.4557925740. The cubic root of 9985896135 is about 2153.4213516155.

The spelling of 9985896135 in words is "nine billion, nine hundred eighty-five million, eight hundred ninety-six thousand, one hundred thirty-five".