6855470208 has 64 divisors (see below), whose sum is σ = 20233168800. Its totient is φ = 2285155584.

The previous prime is 6855470207. The next prime is 6855470221. The reversal of 6855470208 is 8020745586.

6855470208 is a `hidden beast` number, since 6 + 8 + 554 + 70 + 20 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (6855470207) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 988366 + ... + 995277.

Almost surely, 2^6855470208 is an apocalyptic number.

It is an amenable number.

6855470208 is an abundant number, since it is smaller than the sum of its proper divisors (13377698592).

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

6855470208 is a wasteful number, since it uses less digits than its factorization.

6855470208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983666 (or 1983648 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 6855470208 is about 82797.7669264093. The cubic root of 6855470208 is about 1899.6740168351.

The spelling of 6855470208 in words is "six billion, eight hundred fifty-five million, four hundred seventy thousand, two hundred eight".