879656213 has 2 divisors, whose sum is σ = 879656214. Its totient is φ = 879656212.

The previous prime is 879656209. The next prime is 879656233. The reversal of 879656213 is 312656978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863066884 + 16589329 = 29378^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 879656213 - 2² = 879656209 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879656233) 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, 439828106 + 439828107.

It is an arithmetic number, because the mean of its divisors is an integer number (439828107).

Almost surely, 2^879656213 is an apocalyptic number.

It is an amenable number.

879656213 is a deficient number, since it is larger than the sum of its proper divisors (1).

879656213 is an equidigital number, since it uses as much as digits as its factorization.

879656213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 879656213 is about 29658.9988536363. The cubic root of 879656213 is about 958.1591651693.

The spelling of 879656213 in words is "eight hundred seventy-nine million, six hundred fifty-six thousand, two hundred thirteen".