797789 has 4 divisors (see below), whose sum is σ = 800256. Its totient is φ = 795324.

The previous prime is 797773. The next prime is 797813. The reversal of 797789 is 987797.

797789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 797789 - 2⁴ = 797773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (200064).

2⁷⁹⁷⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

797789 is a deficient number, since it is larger than the sum of its proper divisors (2467).

797789 is a wasteful number, since it uses less digits than its factorization.

797789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its digits is 222264, while the sum is 47.

The square root of 797789 is about 893.1903492537. The cubic root of 797789 is about 92.7461764903.

The spelling of 797789 in words is "seven hundred ninety-seven thousand, seven hundred eighty-nine".