1686884882 has 16 divisors (see below), whose sum is σ = 2568443904. Its totient is φ = 830760000.

The previous prime is 1686884863. The next prime is 1686884921. The reversal of 1686884882 is 2884886861.

It is an unprimeable number.

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, 158282 + ... + 168602.

It is an arithmetic number, because the mean of its divisors is an integer number (160527744).

Almost surely, 2^1686884882 is an apocalyptic number.

1686884882 is a deficient number, since it is larger than the sum of its proper divisors (881559022).

1686884882 is a wasteful number, since it uses less digits than its factorization.

1686884882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545.

The product of its digits is 9437184, while the sum is 59.

The square root of 1686884882 is about 41071.7041526158. The cubic root of 1686884882 is about 1190.4061137722.

The spelling of 1686884882 in words is "one billion, six hundred eighty-six million, eight hundred eighty-four thousand, eight hundred eighty-two".