879089 has 2 divisors, whose sum is σ = 879090. Its totient is φ = 879088.

The previous prime is 879061. The next prime is 879097. The reversal of 879089 is 980978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 211600 = 817^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 879089 - 2⁸ = 878833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (879689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439544 + 439545.

It is an arithmetic number, because the mean of its divisors is an integer number (439545).

2⁸⁷⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

879089 is a deficient number, since it is larger than the sum of its proper divisors (1).

879089 is an equidigital number, since it uses as much as digits as its factorization.

879089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 879089 is about 937.5974616007. The cubic root of 879089 is about 95.7953176670.

It can be divided in two parts, 8 and 79089, that added together give a palindrome (79097).

The spelling of 879089 in words is "eight hundred seventy-nine thousand, eighty-nine".