85399599 has 8 divisors (see below), whose sum is σ = 114008112. Its totient is φ = 56862080.

The previous prime is 85399549. The next prime is 85399627. The reversal of 85399599 is 99599358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85399599 - 2⁸ = 85399343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85399549) 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 7 ways as a sum of consecutive naturals, for example, 14874 + ... + 19799.

It is an arithmetic number, because the mean of its divisors is an integer number (14251014).

Almost surely, 2^85399599 is an apocalyptic number.

85399599 is a deficient number, since it is larger than the sum of its proper divisors (28608513).

85399599 is a wasteful number, since it uses less digits than its factorization.

85399599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35497.

The product of its digits is 3936600, while the sum is 57.

The square root of 85399599 is about 9241.1903454046. The cubic root of 85399599 is about 440.3708976637.

The spelling of 85399599 in words is "eighty-five million, three hundred ninety-nine thousand, five hundred ninety-nine".