6804657585 has 64 divisors (see below), whose sum is σ = 13652064000. Its totient is φ = 3185441280.

The previous prime is 6804657539. The next prime is 6804657589. The reversal of 6804657585 is 5857564086.

6804657585 is a `hidden beast` number, since 6 + 8 + 0 + 4 + 6 + 57 + 585 = 666.

It is not a de Polignac number, because 6804657585 - 2⁸ = 6804657329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6804657589) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35940 + ... + 122069.

It is an arithmetic number, because the mean of its divisors is an integer number (213313500).

Almost surely, 2^6804657585 is an apocalyptic number.

It is an amenable number.

6804657585 is an abundant number, since it is smaller than the sum of its proper divisors (6847406415).

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

6804657585 is a wasteful number, since it uses less digits than its factorization.

6804657585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158063 (or 158057 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The square root of 6804657585 is about 82490.3484354382. The cubic root of 6804657585 is about 1894.9689229407.

The spelling of 6804657585 in words is "six billion, eight hundred four million, six hundred fifty-seven thousand, five hundred eighty-five".