8459712085 has 16 divisors (see below), whose sum is σ = 11098798272. Its totient is φ = 6139036800.

The previous prime is 8459712071. The next prime is 8459712127. The reversal of 8459712085 is 5802179548.

It is a happy number.

It is not a de Polignac number, because 8459712085 - 2⁷ = 8459711957 is a prime.

It is a super-2 number, since 2×8459712085² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143151 + ... + 193420.

It is an arithmetic number, because the mean of its divisors is an integer number (693674892).

Almost surely, 2^8459712085 is an apocalyptic number.

It is an amenable number.

8459712085 is a deficient number, since it is larger than the sum of its proper divisors (2639086187).

8459712085 is a wasteful number, since it uses less digits than its factorization.

8459712085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337044.

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 8459712085 is about 91976.6931619092. The cubic root of 8459712085 is about 2037.5981026447.

The spelling of 8459712085 in words is "eight billion, four hundred fifty-nine million, seven hundred twelve thousand, eighty-five".