6686785852 has 6 divisors (see below), whose sum is σ = 11701875248. Its totient is φ = 3343392924.

The previous prime is 6686785849. The next prime is 6686785949. The reversal of 6686785852 is 2585876866.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 835848228 + ... + 835848235.

Almost surely, 2^6686785852 is an apocalyptic number.

It is an amenable number.

6686785852 is a deficient number, since it is larger than the sum of its proper divisors (5015089396).

6686785852 is a wasteful number, since it uses less digits than its factorization.

6686785852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671696467 (or 1671696465 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 61.

The square root of 6686785852 is about 81772.7696241237. The cubic root of 6686785852 is about 1883.9634442055.

The spelling of 6686785852 in words is "six billion, six hundred eighty-six million, seven hundred eighty-five thousand, eight hundred fifty-two".