808665685836 has 12 divisors (see below), whose sum is σ = 1886886600312. Its totient is φ = 269555228608.

The previous prime is 808665685829. The next prime is 808665685889. The reversal of 808665685836 is 638586566808.

808665685836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33694403565 + ... + 33694403588.

It is an arithmetic number, because the mean of its divisors is an integer number (157240550026).

Almost surely, 2^808665685836 is an apocalyptic number.

It is an amenable number.

808665685836 is an abundant number, since it is smaller than the sum of its proper divisors (1078220914476).

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

808665685836 is a wasteful number, since it uses less digits than its factorization.

808665685836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67388807160 (or 67388807158 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 69.

The spelling of 808665685836 in words is "eight hundred eight billion, six hundred sixty-five million, six hundred eighty-five thousand, eight hundred thirty-six".