8485684860 has 48 divisors (see below), whose sum is σ = 24792961536. Its totient is φ = 2164464192.

The previous prime is 8485684859. The next prime is 8485684877. The reversal of 8485684860 is 684865848.

It is a self number, because there is not a number n which added to its sum of digits gives 8485684860.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073144 + ... + 3075903.

It is an arithmetic number, because the mean of its divisors is an integer number (516520032).

Almost surely, 2^8485684860 is an apocalyptic number.

It is an amenable number.

8485684860 is an abundant number, since it is smaller than the sum of its proper divisors (16307276676).

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

8485684860 is a wasteful number, since it uses less digits than its factorization.

8485684860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149082 (or 6149080 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The square root of 8485684860 is about 92117.7771116954. Note that the first 3 decimals coincide. The cubic root of 8485684860 is about 2039.6812314301.

The spelling of 8485684860 in words is "eight billion, four hundred eighty-five million, six hundred eighty-four thousand, eight hundred sixty".