6887681622 has 12 divisors (see below), whose sum is σ = 14923310220. Its totient is φ = 2295893868.

The previous prime is 6887681557. The next prime is 6887681629. The reversal of 6887681622 is 2261867886.

6887681622 is a `hidden beast` number, since 6 + 8 + 8 + 7 + 6 + 8 + 1 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887681629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191324472 + ... + 191324507.

It is an arithmetic number, because the mean of its divisors is an integer number (1243609185).

Almost surely, 2^6887681622 is an apocalyptic number.

6887681622 is an abundant number, since it is smaller than the sum of its proper divisors (8035628598).

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

6887681622 is a wasteful number, since it uses less digits than its factorization.

6887681622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382648987 (or 382648984 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 6887681622 is about 82992.0575838435. The cubic root of 6887681622 is about 1902.6446663177.

The spelling of 6887681622 in words is "six billion, eight hundred eighty-seven million, six hundred eighty-one thousand, six hundred twenty-two".