8662320679 has 2 divisors, whose sum is σ = 8662320680. Its totient is φ = 8662320678.

The previous prime is 8662320661. The next prime is 8662320701. The reversal of 8662320679 is 9760232668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8662320679 - 2⁹ = 8662320167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8662320649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4331160339 + 4331160340.

It is an arithmetic number, because the mean of its divisors is an integer number (4331160340).

Almost surely, 2^8662320679 is an apocalyptic number.

8662320679 is a deficient number, since it is larger than the sum of its proper divisors (1).

8662320679 is an equidigital number, since it uses as much as digits as its factorization.

8662320679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 8662320679 is about 93071.5890000810. The cubic root of 8662320679 is about 2053.7366454360.

The spelling of 8662320679 in words is "eight billion, six hundred sixty-two million, three hundred twenty thousand, six hundred seventy-nine".