879486317 has 2 divisors, whose sum is σ = 879486318. Its totient is φ = 879486316.

The previous prime is 879486281. The next prime is 879486323. The reversal of 879486317 is 713684978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837870916 + 41615401 = 28946^2 + 6451^2 .

It is a cyclic number.

It is not a de Polignac number, because 879486317 - 2⁶ = 879486253 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 (879486217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439743158 + 439743159.

It is an arithmetic number, because the mean of its divisors is an integer number (439743159).

Almost surely, 2^879486317 is an apocalyptic number.

It is an amenable number.

879486317 is a deficient number, since it is larger than the sum of its proper divisors (1).

879486317 is an equidigital number, since it uses as much as digits as its factorization.

879486317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 879486317 is about 29656.1345593117. The cubic root of 879486317 is about 958.0974752013.

The spelling of 879486317 in words is "eight hundred seventy-nine million, four hundred eighty-six thousand, three hundred seventeen".