6890000688 has 30 divisors (see below), whose sum is σ = 19282432884. Its totient is φ = 2296666848.

The previous prime is 6890000659. The next prime is 6890000713. The reversal of 6890000688 is 8860000986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23923470 + ... + 23923757.

Almost surely, 2^6890000688 is an apocalyptic number.

It is an amenable number.

6890000688 is an abundant number, since it is smaller than the sum of its proper divisors (12392432196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6890000688 is a wasteful number, since it uses less digits than its factorization.

6890000688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47847241 (or 47847232 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6890000688 is about 83006.0280220660. The cubic root of 6890000688 is about 1902.8581809990.

The spelling of 6890000688 in words is "six billion, eight hundred ninety million, six hundred eighty-eight", and thus it is an aban number.