6927928689 has 24 divisors (see below), whose sum is σ = 10750592160. Its totient is φ = 3951756160.

The previous prime is 6927928673. The next prime is 6927928691. The reversal of 6927928689 is 9868297296.

It is not a de Polignac number, because 6927928689 - 2⁴ = 6927928673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6927928699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555159 + ... + 567500.

It is an arithmetic number, because the mean of its divisors is an integer number (447941340).

Almost surely, 2^6927928689 is an apocalyptic number.

It is an amenable number.

6927928689 is a deficient number, since it is larger than the sum of its proper divisors (3822663471).

6927928689 is a wasteful number, since it uses less digits than its factorization.

6927928689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122701 (or 1122690 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 66.

The square root of 6927928689 is about 83234.1798121421. The cubic root of 6927928689 is about 1906.3434046802.

The spelling of 6927928689 in words is "six billion, nine hundred twenty-seven million, nine hundred twenty-eight thousand, six hundred eighty-nine".