8540864205 has 16 divisors (see below), whose sum is σ = 13956136704. Its totient is φ = 4458209600.

The previous prime is 8540864149. The next prime is 8540864221. The reversal of 8540864205 is 5024680458.

It is not a de Polignac number, because 8540864205 - 2⁹ = 8540863693 is a prime.

It is a super-2 number, since 2×8540864205² (a number of 21 digits) contains 22 as substring.

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, 6056646 + ... + 6058055.

It is an arithmetic number, because the mean of its divisors is an integer number (872258544).

Almost surely, 2^8540864205 is an apocalyptic number.

It is an amenable number.

8540864205 is a deficient number, since it is larger than the sum of its proper divisors (5415272499).

8540864205 is a wasteful number, since it uses less digits than its factorization.

8540864205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114756.

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 8540864205 is about 92416.7961195366. The cubic root of 8540864205 is about 2044.0927865025.

The spelling of 8540864205 in words is "eight billion, five hundred forty million, eight hundred sixty-four thousand, two hundred five".