8264664623 has 2 divisors, whose sum is σ = 8264664624. Its totient is φ = 8264664622.

The previous prime is 8264664619. The next prime is 8264664671. The reversal of 8264664623 is 3264664628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8264664623 - 2² = 8264664619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8264664323) 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, 4132332311 + 4132332312.

It is an arithmetic number, because the mean of its divisors is an integer number (4132332312).

Almost surely, 2^8264664623 is an apocalyptic number.

8264664623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8264664623 is an equidigital number, since it uses as much as digits as its factorization.

8264664623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 47.

The square root of 8264664623 is about 90910.2008742693. The cubic root of 8264664623 is about 2021.8165392386.

The spelling of 8264664623 in words is "eight billion, two hundred sixty-four million, six hundred sixty-four thousand, six hundred twenty-three".