85418087 has 2 divisors, whose sum is σ = 85418088. Its totient is φ = 85418086.

The previous prime is 85418077. The next prime is 85418111. The reversal of 85418087 is 78081458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85418087 - 2⁴ = 85418071 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 (85418077) 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, 42709043 + 42709044.

It is an arithmetic number, because the mean of its divisors is an integer number (42709044).

Almost surely, 2^85418087 is an apocalyptic number.

85418087 is a deficient number, since it is larger than the sum of its proper divisors (1).

85418087 is an equidigital number, since it uses as much as digits as its factorization.

85418087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85418087 is about 9242.1905953080. The cubic root of 85418087 is about 440.4026737290.

The spelling of 85418087 in words is "eighty-five million, four hundred eighteen thousand, eighty-seven".