808844812164 has 27 divisors (see below), whose sum is σ = 2044593582213. Its totient is φ = 269613138672.

The previous prime is 808844812141. The next prime is 808844812169. The reversal of 808844812164 is 461218448808.

The square root of 808844812164 is 899358.

It is a perfect power (a square), and thus also a powerful number.

808844812164 is a `hidden beast` number, since 8 + 0 + 8 + 84 + 481 + 21 + 64 = 666.

808844812164 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 725443992900 + 83400819264 = 851730^2 + 288792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 808844812164.

It is not an unprimeable number, because it can be changed into a prime (808844812169) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5321202 + ... + 5471094.

Almost surely, 2^808844812164 is an apocalyptic number.

808844812164 is the 899358-th square number.

It is an amenable number.

808844812164 is an abundant number, since it is smaller than the sum of its proper divisors (1235748770049).

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

808844812164 is an frugal number, since it uses more digits than its factorization.

808844812164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299796 (or 149898 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 54.

The spelling of 808844812164 in words is "eight hundred eight billion, eight hundred forty-four million, eight hundred twelve thousand, one hundred sixty-four".