6887659712 has 28 divisors (see below), whose sum is σ = 13697026200. Its totient is φ = 3436440576.

The previous prime is 6887659687. The next prime is 6887659717. The reversal of 6887659712 is 2179567886.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6887659717) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85337 + ... + 145112.

Almost surely, 2^6887659712 is an apocalyptic number.

It is an amenable number.

6887659712 is a deficient number, since it is larger than the sum of its proper divisors (6809366488).

6887659712 is a wasteful number, since it uses less digits than its factorization.

6887659712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230928 (or 230918 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 59.

The square root of 6887659712 is about 82991.9255831554. The cubic root of 6887659712 is about 1902.6426488518.

The spelling of 6887659712 in words is "six billion, eight hundred eighty-seven million, six hundred fifty-nine thousand, seven hundred twelve".