797871 has 4 divisors (see below), whose sum is σ = 1063832. Its totient is φ = 531912.

The previous prime is 797869. The next prime is 797887. The reversal of 797871 is 178797.

It is a happy number.

797871 is digitally balanced in base 7, 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.

It is not a de Polignac number, because 797871 - 2¹ = 797869 is a prime.

It is a D-number.

It is a Duffinian number.

797871 is strictly pandigital in base 7.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132976 + ... + 132981.

It is an arithmetic number, because the mean of its divisors is an integer number (265958).

2⁷⁹⁷⁸⁷¹ is an apocalyptic number.

797871 is a deficient number, since it is larger than the sum of its proper divisors (265961).

797871 is a wasteful number, since it uses less digits than its factorization.

797871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265960.

The product of its digits is 24696, while the sum is 39.

The square root of 797871 is about 893.2362509437. The cubic root of 797871 is about 92.7493539913.

The spelling of 797871 in words is "seven hundred ninety-seven thousand, eight hundred seventy-one".