879539 has 2 divisors, whose sum is σ = 879540. Its totient is φ = 879538.

The previous prime is 879533. The next prime is 879553. The reversal of 879539 is 935978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 879539 - 2⁴ = 879523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879496 and 879505.

It is not a weakly prime, because it can be changed into another prime (879533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439769 + 439770.

It is an arithmetic number, because the mean of its divisors is an integer number (439770).

2⁸⁷⁹⁵³⁹ is an apocalyptic number.

879539 is a deficient number, since it is larger than the sum of its proper divisors (1).

879539 is an equidigital number, since it uses as much as digits as its factorization.

879539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 879539 is about 937.8374059505. The cubic root of 879539 is about 95.8116605475.

The spelling of 879539 in words is "eight hundred seventy-nine thousand, five hundred thirty-nine".