85317266 has 4 divisors (see below), whose sum is σ = 127975902. Its totient is φ = 42658632.

The previous prime is 85317263. The next prime is 85317283. The reversal of 85317266 is 66271358.

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

It can be written as a sum of positive squares in only one way, i.e., 85285225 + 32041 = 9235^2 + 179^2 .

It is not an unprimeable number, because it can be changed into a prime (85317263) 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, 21329315 + ... + 21329318.

Almost surely, 2^85317266 is an apocalyptic number.

85317266 is a deficient number, since it is larger than the sum of its proper divisors (42658636).

85317266 is a wasteful number, since it uses less digits than its factorization.

85317266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42658635.

The product of its digits is 60480, while the sum is 38.

The square root of 85317266 is about 9236.7345961655. The cubic root of 85317266 is about 440.2293329277.

The spelling of 85317266 in words is "eighty-five million, three hundred seventeen thousand, two hundred sixty-six".