8540518671 has 12 divisors (see below), whose sum is σ = 12456076048. Its totient is φ = 5638400064.

The previous prime is 8540518603. The next prime is 8540518703. The reversal of 8540518671 is 1768150458.

It is not a de Polignac number, because 8540518671 - 2⁷ = 8540518543 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 (8540519671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4605610 + ... + 4607463.

Almost surely, 2^8540518671 is an apocalyptic number.

8540518671 is a deficient number, since it is larger than the sum of its proper divisors (3915557377).

8540518671 is a wasteful number, since it uses less digits than its factorization.

8540518671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213182 (or 9213179 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The square root of 8540518671 is about 92414.9266677196. The cubic root of 8540518671 is about 2044.0652204754.

The spelling of 8540518671 in words is "eight billion, five hundred forty million, five hundred eighteen thousand, six hundred seventy-one".