85599373 has 2 divisors, whose sum is σ = 85599374. Its totient is φ = 85599372.

The previous prime is 85599347. The next prime is 85599377. The reversal of 85599373 is 37399558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60016009 + 25583364 = 7747^2 + 5058^2 .

It is a cyclic number.

It is not a de Polignac number, because 85599373 - 2⁵ = 85599341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85599377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42799686 + 42799687.

It is an arithmetic number, because the mean of its divisors is an integer number (42799687).

Almost surely, 2^85599373 is an apocalyptic number.

It is an amenable number.

85599373 is a deficient number, since it is larger than the sum of its proper divisors (1).

85599373 is an equidigital number, since it uses as much as digits as its factorization.

85599373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 49.

The square root of 85599373 is about 9251.9929204469. The cubic root of 85599373 is about 440.7140145967.

The spelling of 85599373 in words is "eighty-five million, five hundred ninety-nine thousand, three hundred seventy-three".