985959959589 has 12 divisors (see below), whose sum is σ = 1553633875872. Its totient is φ = 597551490600.

The previous prime is 985959959573. The next prime is 985959959609.

985959959589 is a `hidden beast` number, since 9 + 8 + 5 + 9 + 5 + 9 + 9 + 595 + 8 + 9 = 666.

985959959589 is nontrivially palindromic in base 10.

985959959589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 985959959589 - 2⁴ = 985959959573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985959959499 and 985959959508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985959959389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4979595657 + ... + 4979595854.

It is an arithmetic number, because the mean of its divisors is an integer number (129469489656).

Almost surely, 2^985959959589 is an apocalyptic number.

985959959589 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

985959959589 is a deficient number, since it is larger than the sum of its proper divisors (567673916283).

985959959589 is a wasteful number, since it uses less digits than its factorization.

985959959589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959191528 (or 9959191525 counting only the distinct ones).

The product of its digits is 21257640000, while the sum is 90.

The spelling of 985959959589 in words is "nine hundred eighty-five billion, nine hundred fifty-nine million, nine hundred fifty-nine thousand, five hundred eighty-nine".