8506782543 has 48 divisors (see below), whose sum is σ = 14150920320. Its totient is φ = 4518206784.

The previous prime is 8506782523. The next prime is 8506782577. The reversal of 8506782543 is 3452876058.

It is not a de Polignac number, because 8506782543 - 2¹³ = 8506774351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8506782492 and 8506782501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506782503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119296 + ... + 176762.

It is an arithmetic number, because the mean of its divisors is an integer number (294810840).

Almost surely, 2^8506782543 is an apocalyptic number.

8506782543 is a deficient number, since it is larger than the sum of its proper divisors (5644137777).

8506782543 is a wasteful number, since it uses less digits than its factorization.

8506782543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57556 (or 57549 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 8506782543 is about 92232.2207419945. The cubic root of 8506782543 is about 2041.3702301950.

The spelling of 8506782543 in words is "eight billion, five hundred six million, seven hundred eighty-two thousand, five hundred forty-three".