797022809 has 8 divisors (see below), whose sum is σ = 892979328. Its totient is φ = 704982960.

The previous prime is 797022791. The next prime is 797022823. The reversal of 797022809 is 908220797.

797022809 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 de Polignac number, because none of the positive numbers 2^k-797022809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 797022809.

It is not an unprimeable number, because it can be changed into a prime (797022869) 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, 978737 + ... + 979550.

It is an arithmetic number, because the mean of its divisors is an integer number (111622416).

Almost surely, 2^797022809 is an apocalyptic number.

It is an amenable number.

797022809 is a deficient number, since it is larger than the sum of its proper divisors (95956519).

797022809 is a wasteful number, since it uses less digits than its factorization.

797022809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958335.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 797022809 is about 28231.5923922120. The cubic root of 797022809 is about 927.1647605292.

The spelling of 797022809 in words is "seven hundred ninety-seven million, twenty-two thousand, eight hundred nine".