8318472863 has 2 divisors, whose sum is σ = 8318472864. Its totient is φ = 8318472862.

The previous prime is 8318472803. The next prime is 8318472871. The reversal of 8318472863 is 3682748138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8318472863 - 2¹⁰ = 8318471839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8318472803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159236431 + 4159236432.

It is an arithmetic number, because the mean of its divisors is an integer number (4159236432).

Almost surely, 2^8318472863 is an apocalyptic number.

8318472863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8318472863 is an equidigital number, since it uses as much as digits as its factorization.

8318472863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The square root of 8318472863 is about 91205.6624503106. The cubic root of 8318472863 is about 2026.1948230340.

The spelling of 8318472863 in words is "eight billion, three hundred eighteen million, four hundred seventy-two thousand, eight hundred sixty-three".