6781677936 has 40 divisors (see below), whose sum is σ = 19112002944. Its totient is φ = 2055053760.

The previous prime is 6781677913. The next prime is 6781677967. The reversal of 6781677936 is 6397761876.

It is a self number, because there is not a number n which added to its sum of digits gives 6781677936.

It is a congruent number.

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, 6421516 + ... + 6422571.

Almost surely, 2^6781677936 is an apocalyptic number.

6781677936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6781677936 is an abundant number, since it is smaller than the sum of its proper divisors (12330325008).

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

6781677936 is a wasteful number, since it uses less digits than its factorization.

6781677936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844109 (or 12844103 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 60.

The square root of 6781677936 is about 82350.9437468691. The cubic root of 6781677936 is about 1892.8333841085.

The spelling of 6781677936 in words is "six billion, seven hundred eighty-one million, six hundred seventy-seven thousand, nine hundred thirty-six".