809980336 has 120 divisors (see below), whose sum is σ = 1859077440. Its totient is φ = 338083200.

The previous prime is 809980319. The next prime is 809980337. The reversal of 809980336 is 633089908.

It is not an unprimeable number, because it can be changed into a prime (809980337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6182991 + ... + 6183121.

It is an arithmetic number, because the mean of its divisors is an integer number (15492312).

Almost surely, 2^809980336 is an apocalyptic number.

809980336 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809980336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929538720).

809980336 is an abundant number, since it is smaller than the sum of its proper divisors (1049097104).

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

809980336 is a wasteful number, since it uses less digits than its factorization.

809980336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 809980336 is about 28460.1534781526. The cubic root of 809980336 is about 932.1622084387.

The spelling of 809980336 in words is "eight hundred nine million, nine hundred eighty thousand, three hundred thirty-six".