85745393 has 4 divisors (see below), whose sum is σ = 86291700. Its totient is φ = 85199088.

The previous prime is 85745389. The next prime is 85745441. The reversal of 85745393 is 39354758.

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 46895104 + 38850289 = 6848^2 + 6233^2 .

It is a cyclic number.

It is not a de Polignac number, because 85745393 - 2² = 85745389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85745323) 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, 272918 + ... + 273231.

It is an arithmetic number, because the mean of its divisors is an integer number (21572925).

Almost surely, 2^85745393 is an apocalyptic number.

It is an amenable number.

85745393 is a deficient number, since it is larger than the sum of its proper divisors (546307).

85745393 is a wasteful number, since it uses less digits than its factorization.

85745393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546306.

The product of its digits is 453600, while the sum is 44.

The square root of 85745393 is about 9259.8808307667. The cubic root of 85745393 is about 440.9644701023.

The spelling of 85745393 in words is "eighty-five million, seven hundred forty-five thousand, three hundred ninety-three".