85850111 has 2 divisors, whose sum is σ = 85850112. Its totient is φ = 85850110.

The previous prime is 85850087. The next prime is 85850131. The reversal of 85850111 is 11105858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85850111 - 2²² = 81655807 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 (85850131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42925055 + 42925056.

It is an arithmetic number, because the mean of its divisors is an integer number (42925056).

Almost surely, 2^85850111 is an apocalyptic number.

85850111 is a deficient number, since it is larger than the sum of its proper divisors (1).

85850111 is an equidigital number, since it uses as much as digits as its factorization.

85850111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 85850111 is about 9265.5334978618. The cubic root of 85850111 is about 441.1439088275.

Adding to 85850111 its reverse (11105858), we get a palindrome (96955969).

The spelling of 85850111 in words is "eighty-five million, eight hundred fifty thousand, one hundred eleven".