9985069985 has 8 divisors (see below), whose sum is σ = 13071364416. Its totient is φ = 7261869040.

The previous prime is 9985069957. The next prime is 9985069987. The reversal of 9985069985 is 5899605899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9985069985 - 2⁶ = 9985069921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9985069987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90773309 + ... + 90773418.

It is an arithmetic number, because the mean of its divisors is an integer number (1633920552).

Almost surely, 2^9985069985 is an apocalyptic number.

It is an amenable number.

9985069985 is a deficient number, since it is larger than the sum of its proper divisors (3086294431).

9985069985 is a wasteful number, since it uses less digits than its factorization.

9985069985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181546743.

The product of its (nonzero) digits is 62985600, while the sum is 68.

The square root of 9985069985 is about 99925.3220410122. The cubic root of 9985069985 is about 2153.3619645864.

The spelling of 9985069985 in words is "nine billion, nine hundred eighty-five million, sixty-nine thousand, nine hundred eighty-five".