809041097 has 8 divisors (see below), whose sum is σ = 813584640. Its totient is φ = 804507840.

The previous prime is 809041073. The next prime is 809041111. The reversal of 809041097 is 790140908.

809041097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 809041097 - 2¹⁸ = 808778953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 809041097.

It is not an unprimeable number, because it can be changed into a prime (809041027) 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, 196304 + ... + 200382.

It is an arithmetic number, because the mean of its divisors is an integer number (101698080).

Almost surely, 2^809041097 is an apocalyptic number.

It is an amenable number.

809041097 is a deficient number, since it is larger than the sum of its proper divisors (4543543).

809041097 is a wasteful number, since it uses less digits than its factorization.

809041097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 809041097 is about 28443.6477442680. The cubic root of 809041097 is about 931.8017627614.

The spelling of 809041097 in words is "eight hundred nine million, forty-one thousand, ninety-seven".