85850365163 has 2 divisors, whose sum is σ = 85850365164. Its totient is φ = 85850365162.

The previous prime is 85850365147. The next prime is 85850365171. The reversal of 85850365163 is 36156305858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85850365163 - 2⁴ = 85850365147 is a prime.

It is not a weakly prime, because it can be changed into another prime (85850365123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42925182581 + 42925182582.

It is an arithmetic number, because the mean of its divisors is an integer number (42925182582).

Almost surely, 2^85850365163 is an apocalyptic number.

85850365163 is a deficient number, since it is larger than the sum of its proper divisors (1).

85850365163 is an equidigital number, since it uses as much as digits as its factorization.

85850365163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 85850365163 in words is "eighty-five billion, eight hundred fifty million, three hundred sixty-five thousand, one hundred sixty-three".