85859297 has 4 divisors (see below), whose sum is σ = 85905300. Its totient is φ = 85813296.

The previous prime is 85859281. The next prime is 85859317. The reversal of 85859297 is 79295858.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 19989841 = 8116^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 85859297 - 2⁴ = 85859281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85859597) 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, 20078 + ... + 23975.

It is an arithmetic number, because the mean of its divisors is an integer number (21476325).

Almost surely, 2^85859297 is an apocalyptic number.

It is an amenable number.

85859297 is a deficient number, since it is larger than the sum of its proper divisors (46003).

85859297 is a wasteful number, since it uses less digits than its factorization.

85859297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46002.

The product of its digits is 1814400, while the sum is 53.

The square root of 85859297 is about 9266.0291927017. The cubic root of 85859297 is about 441.1596424644.

The spelling of 85859297 in words is "eighty-five million, eight hundred fifty-nine thousand, two hundred ninety-seven".