8147963 has 2 divisors, whose sum is σ = 8147964. Its totient is φ = 8147962.

The previous prime is 8147933. The next prime is 8147977. The reversal of 8147963 is 3697418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8147963 - 2⁶ = 8147899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8147933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073981 + 4073982.

It is an arithmetic number, because the mean of its divisors is an integer number (4073982).

Almost surely, 2^8147963 is an apocalyptic number.

8147963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8147963 is an equidigital number, since it uses as much as digits as its factorization.

8147963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 8147963 is about 2854.4636974395. The cubic root of 8147963 is about 201.2255004061.

The spelling of 8147963 in words is "eight million, one hundred forty-seven thousand, nine hundred sixty-three".