995589985599 has 48 divisors (see below), whose sum is σ = 1657739566080. Its totient is φ = 569847769920.

The previous prime is 995589985589. The next prime is 995589985601.

995589985599 is a `hidden beast` number, since 9 + 9 + 5 + 5 + 8 + 9 + 9 + 8 + 5 + 599 = 666.

995589985599 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 995589985599 - 2⁹ = 995589985087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995589985589) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2587444 + ... + 2947209.

It is an arithmetic number, because the mean of its divisors is an integer number (34536240960).

Almost surely, 2^995589985599 is an apocalyptic number.

995589985599 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

995589985599 is a deficient number, since it is larger than the sum of its proper divisors (662149580481).

995589985599 is a wasteful number, since it uses less digits than its factorization.

995589985599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534772 (or 5534769 counting only the distinct ones).

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

The spelling of 995589985599 in words is "nine hundred ninety-five billion, five hundred eighty-nine million, nine hundred eighty-five thousand, five hundred ninety-nine".