6768986688 has 42 divisors (see below), whose sum is σ = 19402079814. Its totient is φ = 2256328704.

The previous prime is 6768986647. The next prime is 6768986689. The reversal of 6768986688 is 8866898676.

It can be written as a sum of positive squares in only one way, i.e., 6768681984 + 304704 = 82272^2 + 552^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6768986689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5875281 + ... + 5876432.

Almost surely, 2^6768986688 is an apocalyptic number.

It is an amenable number.

6768986688 is an abundant number, since it is smaller than the sum of its proper divisors (12633093126).

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

6768986688 is a wasteful number, since it uses less digits than its factorization.

6768986688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751731 (or 11751718 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 72.

The square root of 6768986688 is about 82273.8517877946. The cubic root of 6768986688 is about 1891.6518958431.

It can be divided in two parts, 676898668 and 8, that added together give a palindrome (676898676).

The spelling of 6768986688 in words is "six billion, seven hundred sixty-eight million, nine hundred eighty-six thousand, six hundred eighty-eight".