859085799 has 16 divisors (see below), whose sum is σ = 1345701504. Its totient is φ = 480607200.

The previous prime is 859085791. The next prime is 859085809. The reversal of 859085799 is 997580958.

It is not a de Polignac number, because 859085799 - 2³ = 859085791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859085791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000837 + ... + 1001694.

It is an arithmetic number, because the mean of its divisors is an integer number (84106344).

Almost surely, 2^859085799 is an apocalyptic number.

859085799 is a deficient number, since it is larger than the sum of its proper divisors (486615705).

859085799 is a wasteful number, since it uses less digits than its factorization.

859085799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002558.

The product of its (nonzero) digits is 8164800, while the sum is 60.

The square root of 859085799 is about 29310.1654550089. The cubic root of 859085799 is about 950.6314542401.

The spelling of 859085799 in words is "eight hundred fifty-nine million, eighty-five thousand, seven hundred ninety-nine".