8734591163 has 2 divisors, whose sum is σ = 8734591164. Its totient is φ = 8734591162.

The previous prime is 8734591139. The next prime is 8734591193. The reversal of 8734591163 is 3611954378.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8734591163 - 2¹² = 8734587067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8734591193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4367295581 + 4367295582.

It is an arithmetic number, because the mean of its divisors is an integer number (4367295582).

Almost surely, 2^8734591163 is an apocalyptic number.

8734591163 is a deficient number, since it is larger than the sum of its proper divisors (1).

8734591163 is an equidigital number, since it uses as much as digits as its factorization.

8734591163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 8734591163 is about 93459.0346783017. The cubic root of 8734591163 is about 2059.4323351022.

The spelling of 8734591163 in words is "eight billion, seven hundred thirty-four million, five hundred ninety-one thousand, one hundred sixty-three".