6928889896 has 16 divisors (see below), whose sum is σ = 13004408340. Its totient is φ = 3461047680.

The previous prime is 6928889861. The next prime is 6928889897. The reversal of 6928889896 is 6989888296.

It can be written as a sum of positive squares in 2 ways, for example, as 6688949796 + 239940100 = 81786^2 + 15490^2 .

It is not an unprimeable number, because it can be changed into a prime (6928889897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415981 + ... + 432316.

Almost surely, 2^6928889896 is an apocalyptic number.

It is an amenable number.

6928889896 is a deficient number, since it is larger than the sum of its proper divisors (6075518444).

6928889896 is a wasteful number, since it uses less digits than its factorization.

6928889896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849324 (or 849320 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 73.

The square root of 6928889896 is about 83239.9537241582. The cubic root of 6928889896 is about 1906.4315650318.

The spelling of 6928889896 in words is "six billion, nine hundred twenty-eight million, eight hundred eighty-nine thousand, eight hundred ninety-six".