8488718281 has 2 divisors, whose sum is σ = 8488718282. Its totient is φ = 8488718280.

The previous prime is 8488718243. The next prime is 8488718327. The reversal of 8488718281 is 1828178848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5314410000 + 3174308281 = 72900^2 + 56341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8488718281 is a prime.

It is a super-2 number, since 2×8488718281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8488718221) 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, 4244359140 + 4244359141.

It is an arithmetic number, because the mean of its divisors is an integer number (4244359141).

Almost surely, 2^8488718281 is an apocalyptic number.

It is an amenable number.

8488718281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8488718281 is an equidigital number, since it uses as much as digits as its factorization.

8488718281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1835008, while the sum is 55.

The square root of 8488718281 is about 92134.2405460641. The cubic root of 8488718281 is about 2039.9242475555.

The spelling of 8488718281 in words is "eight billion, four hundred eighty-eight million, seven hundred eighteen thousand, two hundred eighty-one".