985557760 has 72 divisors (see below), whose sum is σ = 2575366416. Its totient is φ = 358379520.

The previous prime is 985557709. The next prime is 985557761. The reversal of 985557760 is 67755589.

985557760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 985557698 and 985557707.

It is not an unprimeable number, because it can be changed into a prime (985557761) 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, 20919 + ... + 49078.

It is an arithmetic number, because the mean of its divisors is an integer number (35768978).

Almost surely, 2^985557760 is an apocalyptic number.

It is an amenable number.

985557760 is an abundant number, since it is smaller than the sum of its proper divisors (1589808656).

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

985557760 is a wasteful number, since it uses less digits than its factorization.

985557760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70029 (or 70015 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The square root of 985557760 is about 31393.5942510570. The cubic root of 985557760 is about 995.1625568775.

The spelling of 985557760 in words is "nine hundred eighty-five million, five hundred fifty-seven thousand, seven hundred sixty".