85028599 has 4 divisors (see below), whose sum is σ = 85055080. Its totient is φ = 85002120.

The previous prime is 85028597. The next prime is 85028621. The reversal of 85028599 is 99582058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99582058 = 2 ⋅49791029.

It is a cyclic number.

It is not a de Polignac number, because 85028599 - 2¹ = 85028597 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 (85028597) 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, 7632 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (21263770).

Almost surely, 2^85028599 is an apocalyptic number.

85028599 is a deficient number, since it is larger than the sum of its proper divisors (26481).

85028599 is a wasteful number, since it uses less digits than its factorization.

85028599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 85028599 is about 9221.0953253938. The cubic root of 85028599 is about 439.7322734244.

The spelling of 85028599 in words is "eighty-five million, twenty-eight thousand, five hundred ninety-nine".