8384977963 has 2 divisors, whose sum is σ = 8384977964. Its totient is φ = 8384977962.

The previous prime is 8384977907. The next prime is 8384977969. The reversal of 8384977963 is 3697794838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8384977963 - 2²¹ = 8382880811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8384977895 and 8384977904.

It is not a weakly prime, because it can be changed into another prime (8384977969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4192488981 + 4192488982.

It is an arithmetic number, because the mean of its divisors is an integer number (4192488982).

Almost surely, 2^8384977963 is an apocalyptic number.

8384977963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8384977963 is an equidigital number, since it uses as much as digits as its factorization.

8384977963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 64.

The square root of 8384977963 is about 91569.5252963561. The cubic root of 8384977963 is about 2031.5802172500.

The spelling of 8384977963 in words is "eight billion, three hundred eighty-four million, nine hundred seventy-seven thousand, nine hundred sixty-three".