8448863887 has 2 divisors, whose sum is σ = 8448863888. Its totient is φ = 8448863886.

The previous prime is 8448863879. The next prime is 8448863939. The reversal of 8448863887 is 7883688448.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8448863887 - 2³ = 8448863879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8448863837) 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, 4224431943 + 4224431944.

It is an arithmetic number, because the mean of its divisors is an integer number (4224431944).

Almost surely, 2^8448863887 is an apocalyptic number.

8448863887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448863887 is an equidigital number, since it uses as much as digits as its factorization.

8448863887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66060288, while the sum is 64.

The square root of 8448863887 is about 91917.7017064722. The cubic root of 8448863887 is about 2036.7267679173.

The spelling of 8448863887 in words is "eight billion, four hundred forty-eight million, eight hundred sixty-three thousand, eight hundred eighty-seven".