879679 has 2 divisors, whose sum is σ = 879680. Its totient is φ = 879678.

The previous prime is 879673. The next prime is 879689. The reversal of 879679 is 976978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 879679 - 2⁹ = 879167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879673) 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, 439839 + 439840.

It is an arithmetic number, because the mean of its divisors is an integer number (439840).

2⁸⁷⁹⁶⁷⁹ is an apocalyptic number.

879679 is a deficient number, since it is larger than the sum of its proper divisors (1).

879679 is an equidigital number, since it uses as much as digits as its factorization.

879679 is an odious number, because the sum of its binary digits is odd.

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

The square root of 879679 is about 937.9120427844. The cubic root of 879679 is about 95.8167438623.

The spelling of 879679 in words is "eight hundred seventy-nine thousand, six hundred seventy-nine".