879747 has 16 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 522080.

The previous prime is 879743. The next prime is 879797. The reversal of 879747 is 747978.

879747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 879747 - 2² = 879743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879699 and 879708.

It is not an unprimeable number, because it can be changed into a prime (879743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2⁸⁷⁹⁷⁴⁷ is an apocalyptic number.

879747 is a deficient number, since it is larger than the sum of its proper divisors (426621).

879747 is a wasteful number, since it uses less digits than its factorization.

879747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 98784, while the sum is 42.

The square root of 879747 is about 937.9482928179. The cubic root of 879747 is about 95.8192127063.

Subtracting from 879747 its reverse (747978), we obtain a square (131769 = 363²).

The spelling of 879747 in words is "eight hundred seventy-nine thousand, seven hundred forty-seven".