808909808 has 80 divisors (see below), whose sum is σ = 1852071936. Its totient is φ = 335059200.

The previous prime is 808909769. The next prime is 808909811.

808909808 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 485585 + ... + 487247.

Almost surely, 2^808909808 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 808909808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926035968).

808909808 is an abundant number, since it is smaller than the sum of its proper divisors (1043162128).

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

808909808 is a wasteful number, since it uses less digits than its factorization.

808909808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 808909808 is about 28441.3397715368. The cubic root of 808909808 is about 931.7513566118.

The spelling of 808909808 in words is "eight hundred eight million, nine hundred nine thousand, eight hundred eight".