8655679871 has 2 divisors, whose sum is σ = 8655679872. Its totient is φ = 8655679870.

The previous prime is 8655679867. The next prime is 8655679913. The reversal of 8655679871 is 1789765568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8655679871 - 2² = 8655679867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8655679831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4327839935 + 4327839936.

It is an arithmetic number, because the mean of its divisors is an integer number (4327839936).

Almost surely, 2^8655679871 is an apocalyptic number.

8655679871 is a deficient number, since it is larger than the sum of its proper divisors (1).

8655679871 is an equidigital number, since it uses as much as digits as its factorization.

8655679871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 62.

The square root of 8655679871 is about 93035.9063534074. The cubic root of 8655679871 is about 2053.2116915211.

The spelling of 8655679871 in words is "eight billion, six hundred fifty-five million, six hundred seventy-nine thousand, eight hundred seventy-one".