806384825872 has 80 divisors (see below), whose sum is σ = 1591805742912. Its totient is φ = 395646197760.

The previous prime is 806384825867. The next prime is 806384825881. The reversal of 806384825872 is 278528483608.

It is a self number, because there is not a number n which added to its sum of digits gives 806384825872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373152472 + ... + 373154632.

Almost surely, 2^806384825872 is an apocalyptic number.

It is an amenable number.

806384825872 is a deficient number, since it is larger than the sum of its proper divisors (785420917040).

806384825872 is a wasteful number, since it uses less digits than its factorization.

806384825872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 806384825872 in words is "eight hundred six billion, three hundred eighty-four million, eight hundred twenty-five thousand, eight hundred seventy-two".