6880515681 has 16 divisors (see below), whose sum is σ = 9901359104. Its totient is φ = 4224887424.

The previous prime is 6880515659. The next prime is 6880515683. The reversal of 6880515681 is 1865150886.

6880515681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6880515681 - 2¹⁰ = 6880514657 is a prime.

It is a super-2 number, since 2×6880515681² = 94682992072973787522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6880515681.

It is not an unprimeable number, because it can be changed into a prime (6880515683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175201 + ... + 210846.

It is an arithmetic number, because the mean of its divisors is an integer number (618834944).

Almost surely, 2^6880515681 is an apocalyptic number.

It is an amenable number.

6880515681 is a deficient number, since it is larger than the sum of its proper divisors (3020843423).

6880515681 is a wasteful number, since it uses less digits than its factorization.

6880515681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386520.

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 6880515681 is about 82948.8738983237. The cubic root of 6880515681 is about 1901.9846004563.

The spelling of 6880515681 in words is "six billion, eight hundred eighty million, five hundred fifteen thousand, six hundred eighty-one".