789871 has 8 divisors (see below), whose sum is σ = 846720. Its totient is φ = 734208.

The previous prime is 789857. The next prime is 789883. The reversal of 789871 is 178987.

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 789871 - 2¹¹ = 787823 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 (789851) 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 7 ways as a sum of consecutive naturals, for example, 1410 + ... + 1888.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁷⁸⁹⁸⁷¹ is an apocalyptic number.

789871 is a deficient number, since it is larger than the sum of its proper divisors (56849).

789871 is a wasteful number, since it uses less digits than its factorization.

789871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 28224, while the sum is 40.

The square root of 789871 is about 888.7468705993. The cubic root of 789871 is about 92.4383226530.

The spelling of 789871 in words is "seven hundred eighty-nine thousand, eight hundred seventy-one".