6805555085 has 16 divisors (see below), whose sum is σ = 9634409472. Its totient is φ = 4516128000.

The previous prime is 6805555067. The next prime is 6805555111. The reversal of 6805555085 is 5805555086.

It is not a de Polignac number, because 6805555085 - 2⁸ = 6805554829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135116 + ... + 3137285.

It is an arithmetic number, because the mean of its divisors is an integer number (602150592).

Almost surely, 2^6805555085 is an apocalyptic number.

It is an amenable number.

6805555085 is a deficient number, since it is larger than the sum of its proper divisors (2828854387).

6805555085 is a wasteful number, since it uses less digits than its factorization.

6805555085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272444.

The product of its (nonzero) digits is 1200000, while the sum is 47.

The square root of 6805555085 is about 82495.7882864331. The cubic root of 6805555085 is about 1895.0522315579.

Subtracting from 6805555085 its reverse (5805555086), we obtain a palindrome (999999999).

The spelling of 6805555085 in words is "six billion, eight hundred five million, five hundred fifty-five thousand, eighty-five".