8264664671 has 2 divisors, whose sum is σ = 8264664672. Its totient is φ = 8264664670.

The previous prime is 8264664623. The next prime is 8264664677. The reversal of 8264664671 is 1764664628.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8264664671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8264664677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132332335 + 4132332336.

It is an arithmetic number, because the mean of its divisors is an integer number (4132332336).

Almost surely, 2^8264664671 is an apocalyptic number.

8264664671 is a deficient number, since it is larger than the sum of its proper divisors (1).

8264664671 is an equidigital number, since it uses as much as digits as its factorization.

8264664671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 50.

The square root of 8264664671 is about 90910.2011382661. The cubic root of 8264664671 is about 2021.8165431528.

The spelling of 8264664671 in words is "eight billion, two hundred sixty-four million, six hundred sixty-four thousand, six hundred seventy-one".