800808820 has 24 divisors (see below), whose sum is σ = 1921941504. Its totient is φ = 274562976.

The previous prime is 800808809. The next prime is 800808847. The reversal of 800808820 is 28808008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859892 + ... + 2860171.

It is an arithmetic number, because the mean of its divisors is an integer number (80080896).

Almost surely, 2^800808820 is an apocalyptic number.

It is an amenable number.

800808820 is an abundant number, since it is smaller than the sum of its proper divisors (1121132684).

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

800808820 is a wasteful number, since it uses less digits than its factorization.

800808820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720079 (or 5720077 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 800808820 is about 28298.5656880344. The cubic root of 800808820 is about 928.6305121718.

The spelling of 800808820 in words is "eight hundred million, eight hundred eight thousand, eight hundred twenty".