985717568 has 56 divisors (see below), whose sum is σ = 2246193120. Its totient is φ = 424465920.

The previous prime is 985717567. The next prime is 985717597. The reversal of 985717568 is 865717589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985717567) 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, 23471 + ... + 50222.

Almost surely, 2^985717568 is an apocalyptic number.

It is an amenable number.

985717568 is an abundant number, since it is smaller than the sum of its proper divisors (1260475552).

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

985717568 is a wasteful number, since it uses less digits than its factorization.

985717568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73735 (or 73725 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 56.

The square root of 985717568 is about 31396.1393805035. The cubic root of 985717568 is about 995.2163424425.

The spelling of 985717568 in words is "nine hundred eighty-five million, seven hundred seventeen thousand, five hundred sixty-eight".