797785 has 8 divisors (see below), whose sum is σ = 988416. Its totient is φ = 617520.

The previous prime is 797773. The next prime is 797813. The reversal of 797785 is 587797.

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

It is not a de Polignac number, because 797785 - 2⁹ = 797273 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

2⁷⁹⁷⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

797785 is a deficient number, since it is larger than the sum of its proper divisors (190631).

797785 is a wasteful number, since it uses less digits than its factorization.

797785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183.

The product of its digits is 123480, while the sum is 43.

The square root of 797785 is about 893.1881100866. The cubic root of 797785 is about 92.7460214847.

The spelling of 797785 in words is "seven hundred ninety-seven thousand, seven hundred eighty-five".