8518782971 has 2 divisors, whose sum is σ = 8518782972. Its totient is φ = 8518782970.

The previous prime is 8518782959. The next prime is 8518783001. The reversal of 8518782971 is 1792878158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8518782971 - 2⁶ = 8518782907 is a prime.

It is not a weakly prime, because it can be changed into another prime (8518782271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4259391485 + 4259391486.

It is an arithmetic number, because the mean of its divisors is an integer number (4259391486).

Almost surely, 2^8518782971 is an apocalyptic number.

8518782971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8518782971 is an equidigital number, since it uses as much as digits as its factorization.

8518782971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 56.

The square root of 8518782971 is about 92297.2533231623. The cubic root of 8518782971 is about 2042.3296922868.

The spelling of 8518782971 in words is "eight billion, five hundred eighteen million, seven hundred eighty-two thousand, nine hundred seventy-one".