808866311700 has 144 divisors (see below), whose sum is σ = 2354496663680. Its totient is φ = 214394273280.

The previous prime is 808866311699. The next prime is 808866311711. The reversal of 808866311700 is 7113668808.

It is a self number, because there is not a number n which added to its sum of digits gives 808866311700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42103497 + ... + 42122703.

Almost surely, 2^808866311700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808866311700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177248331840).

808866311700 is an abundant number, since it is smaller than the sum of its proper divisors (1545630351980).

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

808866311700 is a wasteful number, since it uses less digits than its factorization.

808866311700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 808866311700 in words is "eight hundred eight billion, eight hundred sixty-six million, three hundred eleven thousand, seven hundred".