85208597 has 4 divisors (see below), whose sum is σ = 89693280. Its totient is φ = 80723916.

The previous prime is 85208587. The next prime is 85208609. The reversal of 85208597 is 79580258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85208597 - 2⁶ = 85208533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85208587) 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 in 3 ways as a sum of consecutive naturals, for example, 2242313 + ... + 2242350.

It is an arithmetic number, because the mean of its divisors is an integer number (22423320).

Almost surely, 2^85208597 is an apocalyptic number.

It is an amenable number.

85208597 is a deficient number, since it is larger than the sum of its proper divisors (4484683).

85208597 is a wasteful number, since it uses less digits than its factorization.

85208597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484682.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 85208597 is about 9230.8502858621. The cubic root of 85208597 is about 440.0423461310.

The spelling of 85208597 in words is "eighty-five million, two hundred eight thousand, five hundred ninety-seven".