85858111 has 2 divisors, whose sum is σ = 85858112. Its totient is φ = 85858110.

The previous prime is 85858043. The next prime is 85858153. The reversal of 85858111 is 11185858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85858111 - 2¹³ = 85849919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85858411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42929055 + 42929056.

It is an arithmetic number, because the mean of its divisors is an integer number (42929056).

Almost surely, 2^85858111 is an apocalyptic number.

85858111 is a deficient number, since it is larger than the sum of its proper divisors (1).

85858111 is an equidigital number, since it uses as much as digits as its factorization.

85858111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 37.

The square root of 85858111 is about 9265.9651952724. The cubic root of 85858111 is about 441.1576111652.

The spelling of 85858111 in words is "eighty-five million, eight hundred fifty-eight thousand, one hundred eleven".