985575874559 has 8 divisors (see below), whose sum is σ = 996705420480. Its totient is φ = 974447565696.

The previous prime is 985575874523. The next prime is 985575874561. The reversal of 985575874559 is 955478575589.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985575874559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 985575874559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985575874519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342682 + ... + 1942664.

It is an arithmetic number, because the mean of its divisors is an integer number (124588177560).

Almost surely, 2^985575874559 is an apocalyptic number.

985575874559 is a deficient number, since it is larger than the sum of its proper divisors (11129545921).

985575874559 is a wasteful number, since it uses less digits than its factorization.

985575874559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618529.

The product of its digits is 3175200000, while the sum is 77.

The spelling of 985575874559 in words is "nine hundred eighty-five billion, five hundred seventy-five million, eight hundred seventy-four thousand, five hundred fifty-nine".