85371659 has 2 divisors, whose sum is σ = 85371660. Its totient is φ = 85371658.

The previous prime is 85371647. The next prime is 85371667. The reversal of 85371659 is 95617358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85371659 - 2¹² = 85367563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85379659) 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, 42685829 + 42685830.

It is an arithmetic number, because the mean of its divisors is an integer number (42685830).

Almost surely, 2^85371659 is an apocalyptic number.

85371659 is a deficient number, since it is larger than the sum of its proper divisors (1).

85371659 is an equidigital number, since it uses as much as digits as its factorization.

85371659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 85371659 is about 9239.6785117232. The cubic root of 85371659 is about 440.3228673642.

The spelling of 85371659 in words is "eighty-five million, three hundred seventy-one thousand, six hundred fifty-nine".