789679 has 4 divisors (see below), whose sum is σ = 861480. Its totient is φ = 717880.

The previous prime is 789673. The next prime is 789683. The reversal of 789679 is 976987.

789679 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 976987 = 11 ⋅88817.

It is a cyclic number.

It is not a de Polignac number, because 789679 - 2³ = 789671 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 (789671) 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, 35884 + ... + 35905.

It is an arithmetic number, because the mean of its divisors is an integer number (215370).

2⁷⁸⁹⁶⁷⁹ is an apocalyptic number.

789679 is a deficient number, since it is larger than the sum of its proper divisors (71801).

789679 is a wasteful number, since it uses less digits than its factorization.

789679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71800.

The product of its digits is 190512, while the sum is 46.

The square root of 789679 is about 888.6388467763. The cubic root of 789679 is about 92.4308321487.

The spelling of 789679 in words is "seven hundred eighty-nine thousand, six hundred seventy-nine".