8487568361 has 2 divisors, whose sum is σ = 8487568362. Its totient is φ = 8487568360.

The previous prime is 8487568339. The next prime is 8487568381. The reversal of 8487568361 is 1638657848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5622000400 + 2865567961 = 74980^2 + 53531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8487568361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8487568297 and 8487568306.

It is not a weakly prime, because it can be changed into another prime (8487568381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243784180 + 4243784181.

It is an arithmetic number, because the mean of its divisors is an integer number (4243784181).

Almost surely, 2^8487568361 is an apocalyptic number.

It is an amenable number.

8487568361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487568361 is an equidigital number, since it uses as much as digits as its factorization.

8487568361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 56.

The square root of 8487568361 is about 92127.9998751737. Note that the first 3 decimals coincide. The cubic root of 8487568361 is about 2039.8321309547.

The spelling of 8487568361 in words is "eight billion, four hundred eighty-seven million, five hundred sixty-eight thousand, three hundred sixty-one".