8465665667 has 2 divisors, whose sum is σ = 8465665668. Its totient is φ = 8465665666.

The previous prime is 8465665619. The next prime is 8465665699. The reversal of 8465665667 is 7665665648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8465665667 - 2⁶ = 8465665603 is a prime.

It is not a weakly prime, because it can be changed into another prime (8465665367) 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, 4232832833 + 4232832834.

It is an arithmetic number, because the mean of its divisors is an integer number (4232832834).

Almost surely, 2^8465665667 is an apocalyptic number.

8465665667 is a deficient number, since it is larger than the sum of its proper divisors (1).

8465665667 is an equidigital number, since it uses as much as digits as its factorization.

8465665667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 59.

The square root of 8465665667 is about 92009.0520927153. The cubic root of 8465665667 is about 2038.0759819002.

The spelling of 8465665667 in words is "eight billion, four hundred sixty-five million, six hundred sixty-five thousand, six hundred sixty-seven".