800000688 has 40 divisors (see below), whose sum is σ = 2188239408. Its totient is φ = 250980352.

The previous prime is 800000659. The next prime is 800000711. The reversal of 800000688 is 886000008.

It is a super-2 number, since 2×800000688² = 1280002201600946688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489381 + ... + 491012.

Almost surely, 2^800000688 is an apocalyptic number.

It is an amenable number.

800000688 is an abundant number, since it is smaller than the sum of its proper divisors (1388238720).

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

800000688 is a wasteful number, since it uses less digits than its factorization.

800000688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980421 (or 980415 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 800000688 is about 28284.2834096959. The cubic root of 800000688 is about 928.3180328402.

The spelling of 800000688 in words is "eight hundred million, six hundred eighty-eight", and thus it is an aban number.