318848748487 has 2 divisors, whose sum is σ = 318848748488. Its totient is φ = 318848748486.

The previous prime is 318848748473. The next prime is 318848748527. The reversal of 318848748487 is 784847848813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318848748487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318848748457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159424374243 + 159424374244.

It is an arithmetic number, because the mean of its divisors is an integer number (159424374244).

Almost surely, 2^318848748487 is an apocalyptic number.

318848748487 is a deficient number, since it is larger than the sum of its proper divisors (1).

318848748487 is an equidigital number, since it uses as much as digits as its factorization.

318848748487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308281344, while the sum is 70.

The spelling of 318848748487 in words is "three hundred eighteen billion, eight hundred forty-eight million, seven hundred forty-eight thousand, four hundred eighty-seven".