85208587 has 2 divisors, whose sum is σ = 85208588. Its totient is φ = 85208586.

The previous prime is 85208579. The next prime is 85208609. The reversal of 85208587 is 78580258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85208587 - 2³ = 85208579 is a prime.

It is not a weakly prime, because it can be changed into another prime (85208287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42604293 + 42604294.

It is an arithmetic number, because the mean of its divisors is an integer number (42604294).

Almost surely, 2^85208587 is an apocalyptic number.

85208587 is a deficient number, since it is larger than the sum of its proper divisors (1).

85208587 is an equidigital number, since it uses as much as digits as its factorization.

85208587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 85208587 is about 9230.8497442002. The cubic root of 85208587 is about 440.0423289167.

The spelling of 85208587 in words is "eighty-five million, two hundred eight thousand, five hundred eighty-seven".