6805885086 has 192 divisors, whose sum is σ = 20670370560. Its totient is φ = 1631689920.

The previous prime is 6805885033. The next prime is 6805885109.

6805885086 is a `hidden beast` number, since 6 + 8 + 0 + 588 + 50 + 8 + 6 = 666.

6805885086 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 369385 + ... + 387371.

It is an arithmetic number, because the mean of its divisors is an integer number (107658180).

Almost surely, 2^6805885086 is an apocalyptic number.

6805885086 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6805885086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10335185280).

6805885086 is an abundant number, since it is smaller than the sum of its proper divisors (13864485474).

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

6805885086 is a wasteful number, since it uses less digits than its factorization.

6805885086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18036 (or 18023 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The square root of 6805885086 is about 82497.7883703557. The cubic root of 6805885086 is about 1895.0828613897.

The spelling of 6805885086 in words is "six billion, eight hundred five million, eight hundred eighty-five thousand, eighty-six".