85392599 has 4 divisors (see below), whose sum is σ = 85528560. Its totient is φ = 85256640.

The previous prime is 85392589. The next prime is 85392673. The reversal of 85392599 is 99529358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99529358 = 2 ⋅49764679.

It is a cyclic number.

It is not a de Polignac number, because 85392599 - 2¹² = 85388503 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 (85392589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67034 + ... + 68295.

It is an arithmetic number, because the mean of its divisors is an integer number (21382140).

Almost surely, 2^85392599 is an apocalyptic number.

85392599 is a deficient number, since it is larger than the sum of its proper divisors (135961).

85392599 is a wasteful number, since it uses less digits than its factorization.

85392599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135960.

The product of its digits is 874800, while the sum is 50.

The square root of 85392599 is about 9240.8115985556. The cubic root of 85392599 is about 440.3588652867.

The spelling of 85392599 in words is "eighty-five million, three hundred ninety-two thousand, five hundred ninety-nine".