6880928989 has 8 divisors (see below), whose sum is σ = 7515895968. Its totient is φ = 6247533360.

The previous prime is 6880928969. The next prime is 6880929031. The reversal of 6880928989 is 9898290886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6880928989 - 2²⁵ = 6847374557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880928969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383667 + ... + 401200.

It is an arithmetic number, because the mean of its divisors is an integer number (939486996).

Almost surely, 2^6880928989 is an apocalyptic number.

It is an amenable number.

6880928989 is a deficient number, since it is larger than the sum of its proper divisors (634966979).

6880928989 is a wasteful number, since it uses less digits than its factorization.

6880928989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785675.

The product of its (nonzero) digits is 35831808, while the sum is 67.

The square root of 6880928989 is about 82951.3652027500. The cubic root of 6880928989 is about 1902.0226833436.

The spelling of 6880928989 in words is "six billion, eight hundred eighty million, nine hundred twenty-eight thousand, nine hundred eighty-nine".