809366082 has 16 divisors (see below), whose sum is σ = 1849979712. Its totient is φ = 231247440.

The previous prime is 809366059. The next prime is 809366087. The reversal of 809366082 is 280663908.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 19270621 = 809366082 / (8 + 0 + 9 + 3 + 6 + 6 + 0 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (809366087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9635269 + ... + 9635352.

It is an arithmetic number, because the mean of its divisors is an integer number (115623732).

Almost surely, 2^809366082 is an apocalyptic number.

809366082 is an abundant number, since it is smaller than the sum of its proper divisors (1040613630).

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

809366082 is a wasteful number, since it uses less digits than its factorization.

809366082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270633.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 809366082 is about 28449.3599576511. The cubic root of 809366082 is about 931.9265117015.

The spelling of 809366082 in words is "eight hundred nine million, three hundred sixty-six thousand, eighty-two".