6885555886 has 32 divisors (see below), whose sum is σ = 11680920576. Its totient is φ = 3015768000.

The previous prime is 6885555881. The next prime is 6885555889.

6885555886 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885555881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137241 + ... + 180571.

It is an arithmetic number, because the mean of its divisors is an integer number (365028768).

Almost surely, 2^6885555886 is an apocalyptic number.

6885555886 is a deficient number, since it is larger than the sum of its proper divisors (4795364690).

6885555886 is a wasteful number, since it uses less digits than its factorization.

6885555886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43608.

The product of its digits is 92160000, while the sum is 64.

The square root of 6885555886 is about 82979.2497314841. The cubic root of 6885555886 is about 1902.4489092817.

The spelling of 6885555886 in words is "six billion, eight hundred eighty-five million, five hundred fifty-five thousand, eight hundred eighty-six".