6880666668 has 24 divisors (see below), whose sum is σ = 16488805872. Its totient is φ = 2231567424.

The previous prime is 6880666657. The next prime is 6880666691. The reversal of 6880666668 is 8666660886.

It is a super-2 number, since 2×6880666668² = 94687147592252444448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7748055 + ... + 7748942.

It is an arithmetic number, because the mean of its divisors is an integer number (687033578).

Almost surely, 2^6880666668 is an apocalyptic number.

It is an amenable number.

6880666668 is an abundant number, since it is smaller than the sum of its proper divisors (9608139204).

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

6880666668 is a wasteful number, since it uses less digits than its factorization.

6880666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497041 (or 15497039 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The square root of 6880666668 is about 82949.7840141854. The cubic root of 6880666668 is about 1901.9985128267.

The spelling of 6880666668 in words is "six billion, eight hundred eighty million, six hundred sixty-six thousand, six hundred sixty-eight".