85352817 has 16 divisors (see below), whose sum is σ = 124335360. Its totient is φ = 51651600.

The previous prime is 85352809. The next prime is 85352833. The reversal of 85352817 is 71825358.

It is not a de Polignac number, because 85352817 - 2³ = 85352809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85352317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26842 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (7770960).

Almost surely, 2^85352817 is an apocalyptic number.

It is an amenable number.

85352817 is a deficient number, since it is larger than the sum of its proper divisors (38982543).

85352817 is a wasteful number, since it uses less digits than its factorization.

85352817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884.

The product of its digits is 67200, while the sum is 39.

The square root of 85352817 is about 9238.6588312374. The cubic root of 85352817 is about 440.2904710788.

The spelling of 85352817 in words is "eighty-five million, three hundred fifty-two thousand, eight hundred seventeen".