797997 has 8 divisors (see below), whose sum is σ = 1126656. Its totient is φ = 500672.

The previous prime is 797987. The next prime is 798023. The reversal of 797997 is 799797.

797997 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 797997 - 2⁶ = 797933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797917) 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, 7773 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (140832).

2⁷⁹⁷⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

797997 is a deficient number, since it is larger than the sum of its proper divisors (328659).

797997 is a wasteful number, since it uses less digits than its factorization.

797997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667.

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

The square root of 797997 is about 893.3067782123. The cubic root of 797997 is about 92.7542360685.

The spelling of 797997 in words is "seven hundred ninety-seven thousand, nine hundred ninety-seven".