809068036 has 24 divisors (see below), whose sum is σ = 1619908416. Its totient is φ = 346363680.

The previous prime is 809068031. The next prime is 809068037. The reversal of 809068036 is 630860908.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 809068036.

It is not an unprimeable number, because it can be changed into a prime (809068031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10995 + ... + 41701.

It is an arithmetic number, because the mean of its divisors is an integer number (67496184).

Almost surely, 2^809068036 is an apocalyptic number.

It is an amenable number.

809068036 is an abundant number, since it is smaller than the sum of its proper divisors (810840380).

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

809068036 is a wasteful number, since it uses less digits than its factorization.

809068036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31659 (or 31657 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 809068036 is about 28444.1212906991. The cubic root of 809068036 is about 931.8121048520.

The spelling of 809068036 in words is "eight hundred nine million, sixty-eight thousand, thirty-six".