860116291 has 2 divisors, whose sum is σ = 860116292. Its totient is φ = 860116290.

The previous prime is 860116267. The next prime is 860116321. The reversal of 860116291 is 192611068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860116291 - 2⁹ = 860115779 is a prime.

It is not a weakly prime, because it can be changed into another prime (860116261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430058145 + 430058146.

It is an arithmetic number, because the mean of its divisors is an integer number (430058146).

Almost surely, 2^860116291 is an apocalyptic number.

860116291 is a deficient number, since it is larger than the sum of its proper divisors (1).

860116291 is an equidigital number, since it uses as much as digits as its factorization.

860116291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 860116291 is about 29327.7392753004. The cubic root of 860116291 is about 951.0114033594.

The spelling of 860116291 in words is "eight hundred sixty million, one hundred sixteen thousand, two hundred ninety-one".