9985595465988 has 72 divisors (see below), whose sum is σ = 25490599487808. Its totient is φ = 3295676490048.

The previous prime is 9985595465987. The next prime is 9985595465999. The reversal of 9985595465988 is 8895645955899.

9985595465988 is a `hidden beast` number, since 9 + 9 + 8 + 5 + 5 + 9 + 5 + 4 + 6 + 598 + 8 = 666.

It is a super-2 number, since 2×9985595465988² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9985595465898 and 9985595465907.

It is not an unprimeable number, because it can be changed into a prime (9985595465981) 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, 22761195 + ... + 23195757.

Almost surely, 2^{9985595465988} is an apocalyptic number.

It is an amenable number.

9985595465988 is an abundant number, since it is smaller than the sum of its proper divisors (15505004021820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9985595465988 is a wasteful number, since it uses less digits than its factorization.

9985595465988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440873 (or 440868 counting only the distinct ones).

The product of its digits is 50388480000, while the sum is 90.

The spelling of 9985595465988 in words is "nine trillion, nine hundred eighty-five billion, five hundred ninety-five million, four hundred sixty-five thousand, nine hundred eighty-eight".