799797 has 4 divisors (see below), whose sum is σ = 1066400. Its totient is φ = 533196.

The previous prime is 799789. The next prime is 799801. The reversal of 799797 is 797997.

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 not a de Polignac number, because 799797 - 2³ = 799789 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799727) 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, 133297 + ... + 133302.

It is an arithmetic number, because the mean of its divisors is an integer number (266600).

2⁷⁹⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

799797 is a deficient number, since it is larger than the sum of its proper divisors (266603).

799797 is a wasteful number, since it uses less digits than its factorization.

799797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266602.

The product of its digits is 250047, while the sum is 48.

The square root of 799797 is about 894.3137033502. The cubic root of 799797 is about 92.8239239869.

It can be divided in two parts, 799 and 797, that added together give a triangular number (1596 = T₅₆).

The spelling of 799797 in words is "seven hundred ninety-nine thousand, seven hundred ninety-seven".