8505835799 has 4 divisors (see below), whose sum is σ = 8510442864. Its totient is φ = 8501228736.

The previous prime is 8505835787. The next prime is 8505835829. The reversal of 8505835799 is 9975385058.

8505835799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9975385058 = 2 ⋅4987692529.

It is a cyclic number.

It is not a de Polignac number, because 8505835799 - 2⁴ = 8505835783 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 (8505835729) 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, 2300762 + ... + 2304455.

It is an arithmetic number, because the mean of its divisors is an integer number (2127610716).

Almost surely, 2^8505835799 is an apocalyptic number.

8505835799 is a deficient number, since it is larger than the sum of its proper divisors (4607065).

8505835799 is a wasteful number, since it uses less digits than its factorization.

8505835799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607064.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The square root of 8505835799 is about 92227.0882062315. The cubic root of 8505835799 is about 2041.2944974211.

The spelling of 8505835799 in words is "eight billion, five hundred five million, eight hundred thirty-five thousand, seven hundred ninety-nine".