8268738571 has 2 divisors, whose sum is σ = 8268738572. Its totient is φ = 8268738570.

The previous prime is 8268738553. The next prime is 8268738581. The reversal of 8268738571 is 1758378628.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8268738571 - 2⁵ = 8268738539 is a prime.

It is not a weakly prime, because it can be changed into another prime (8268738521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134369285 + 4134369286.

It is an arithmetic number, because the mean of its divisors is an integer number (4134369286).

Almost surely, 2^8268738571 is an apocalyptic number.

8268738571 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268738571 is an equidigital number, since it uses as much as digits as its factorization.

8268738571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 55.

The square root of 8268738571 is about 90932.6045541422. The cubic root of 8268738571 is about 2022.1486931651.

The spelling of 8268738571 in words is "eight billion, two hundred sixty-eight million, seven hundred thirty-eight thousand, five hundred seventy-one".