316866829 has 2 divisors, whose sum is σ = 316866830. Its totient is φ = 316866828.

The previous prime is 316866811. The next prime is 316866877. The reversal of 316866829 is 928668613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200873929 + 115992900 = 14173^2 + 10770^2 .

It is an emirp because it is prime and its reverse (928668613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316866829 - 2¹³ = 316858637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316860829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158433414 + 158433415.

It is an arithmetic number, because the mean of its divisors is an integer number (158433415).

Almost surely, 2^316866829 is an apocalyptic number.

It is an amenable number.

316866829 is a deficient number, since it is larger than the sum of its proper divisors (1).

316866829 is an equidigital number, since it uses as much as digits as its factorization.

316866829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 316866829 is about 17800.7536076426. The cubic root of 316866829 is about 681.7507000683.

The spelling of 316866829 in words is "three hundred sixteen million, eight hundred sixty-six thousand, eight hundred twenty-nine".