879209231 has 2 divisors, whose sum is σ = 879209232. Its totient is φ = 879209230.

The previous prime is 879209167. The next prime is 879209239. The reversal of 879209231 is 132902978.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 879209231 - 2⁶ = 879209167 is a prime.

It is a super-2 number, since 2×879209231² = 1546017743751222722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879209239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439604615 + 439604616.

It is an arithmetic number, because the mean of its divisors is an integer number (439604616).

Almost surely, 2^879209231 is an apocalyptic number.

879209231 is a deficient number, since it is larger than the sum of its proper divisors (1).

879209231 is an equidigital number, since it uses as much as digits as its factorization.

879209231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 879209231 is about 29651.4625440298. The cubic root of 879209231 is about 957.9968470367.

The spelling of 879209231 in words is "eight hundred seventy-nine million, two hundred nine thousand, two hundred thirty-one".