9985432876 has 6 divisors (see below), whose sum is σ = 17474507540. Its totient is φ = 4992716436.

The previous prime is 9985432841. The next prime is 9985432907. The reversal of 9985432876 is 6782345899.

9985432876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9985432876² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248179106 + ... + 1248179113.

Almost surely, 2^9985432876 is an apocalyptic number.

It is an amenable number.

9985432876 is a deficient number, since it is larger than the sum of its proper divisors (7489074664).

9985432876 is a wasteful number, since it uses less digits than its factorization.

9985432876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496358223 (or 2496358221 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The square root of 9985432876 is about 99927.1378355249. The cubic root of 9985432876 is about 2153.3880510739.

The spelling of 9985432876 in words is "nine billion, nine hundred eighty-five million, four hundred thirty-two thousand, eight hundred seventy-six".