800006705688 has 64 divisors (see below), whose sum is σ = 2027156544000. Its totient is φ = 263071125632.

The previous prime is 800006705657. The next prime is 800006705699. The reversal of 800006705688 is 886507600008.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37983 + ... + 1265486.

It is an arithmetic number, because the mean of its divisors is an integer number (31674321000).

Almost surely, 2^800006705688 is an apocalyptic number.

It is an amenable number.

800006705688 is an abundant number, since it is smaller than the sum of its proper divisors (1227149838312).

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

800006705688 is a wasteful number, since it uses less digits than its factorization.

800006705688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303824 (or 1303820 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 800006705688 in words is "eight hundred billion, six million, seven hundred five thousand, six hundred eighty-eight".