685000485568 has 28 divisors (see below), whose sum is σ = 1553483245072. Its totient is φ = 293571636480.

The previous prime is 685000485563. The next prime is 685000485619. The reversal of 685000485568 is 865584000586.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (685000485563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764509023 + ... + 764509918.

Almost surely, 2^685000485568 is an apocalyptic number.

It is an amenable number.

685000485568 is an abundant number, since it is smaller than the sum of its proper divisors (868482759504).

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

685000485568 is a wasteful number, since it uses less digits than its factorization.

685000485568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529018960 (or 1529018950 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 685000485568 in words is "six hundred eighty-five billion, four hundred eighty-five thousand, five hundred sixty-eight".