85307605 has 4 divisors (see below), whose sum is σ = 102369132. Its totient is φ = 68246080.

The previous prime is 85307603. The next prime is 85307609. The reversal of 85307605 is 50670358.

It is a happy number.

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 24373969 + 60933636 = 4937^2 + 7806^2 .

It is not a de Polignac number, because 85307605 - 2¹ = 85307603 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 (85307603) 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 in 3 ways as a sum of consecutive naturals, for example, 8530756 + ... + 8530765.

It is an arithmetic number, because the mean of its divisors is an integer number (25592283).

Almost surely, 2^85307605 is an apocalyptic number.

It is an amenable number.

85307605 is a deficient number, since it is larger than the sum of its proper divisors (17061527).

85307605 is a wasteful number, since it uses less digits than its factorization.

85307605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061526.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 85307605 is about 9236.2116151591. The cubic root of 85307605 is about 440.2127156733.

The spelling of 85307605 in words is "eighty-five million, three hundred seven thousand, six hundred five".