6880515689 has 16 divisors (see below), whose sum is σ = 7539816960. Its totient is φ = 6250586880.

The previous prime is 6880515683. The next prime is 6880515743. The reversal of 6880515689 is 9865150886.

It is a cyclic number.

It is not a de Polignac number, because 6880515689 - 2¹² = 6880511593 is a prime.

It is a super-2 number, since 2×6880515689² = 94682992293150289442, which contains 22 as substring.

It is a Duffinian number.

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, 188222 + ... + 221784.

It is an arithmetic number, because the mean of its divisors is an integer number (471238560).

Almost surely, 2^6880515689 is an apocalyptic number.

It is an amenable number.

6880515689 is a deficient number, since it is larger than the sum of its proper divisors (659301271).

6880515689 is a wasteful number, since it uses less digits than its factorization.

6880515689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34000.

The product of its (nonzero) digits is 4147200, while the sum is 56.

The square root of 6880515689 is about 82948.8739465461. The cubic root of 6880515689 is about 1901.9846011934.

The spelling of 6880515689 in words is "six billion, eight hundred eighty million, five hundred fifteen thousand, six hundred eighty-nine".