85208759 has 4 divisors (see below), whose sum is σ = 85264704. Its totient is φ = 85152816.

The previous prime is 85208723. The next prime is 85208821. The reversal of 85208759 is 95780258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85208759 is a prime.

It is a super-2 number, since 2×85208759² = 14521065220640162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85208359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25622 + ... + 28755.

It is an arithmetic number, because the mean of its divisors is an integer number (21316176).

Almost surely, 2^85208759 is an apocalyptic number.

85208759 is a deficient number, since it is larger than the sum of its proper divisors (55945).

85208759 is a wasteful number, since it uses less digits than its factorization.

85208759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55944.

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

The square root of 85208759 is about 9230.8590607809. The cubic root of 85208759 is about 440.0426250028.

The spelling of 85208759 in words is "eighty-five million, two hundred eight thousand, seven hundred fifty-nine".