8163793867 has 2 divisors, whose sum is σ = 8163793868. Its totient is φ = 8163793866.

The previous prime is 8163793837. The next prime is 8163793879. The reversal of 8163793867 is 7683973618.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8163793867 - 2⁷ = 8163793739 is a prime.

It is not a weakly prime, because it can be changed into another prime (8163793817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081896933 + 4081896934.

It is an arithmetic number, because the mean of its divisors is an integer number (4081896934).

Almost surely, 2^8163793867 is an apocalyptic number.

8163793867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163793867 is an equidigital number, since it uses as much as digits as its factorization.

8163793867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 8163793867 is about 90353.7152916248. The cubic root of 8163793867 is about 2013.5573799839.

The spelling of 8163793867 in words is "eight billion, one hundred sixty-three million, seven hundred ninety-three thousand, eight hundred sixty-seven".