8621303863 has 2 divisors, whose sum is σ = 8621303864. Its totient is φ = 8621303862.

The previous prime is 8621303851. The next prime is 8621303893. The reversal of 8621303863 is 3683031268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8621303863 - 2⁹ = 8621303351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8621303813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4310651931 + 4310651932.

It is an arithmetic number, because the mean of its divisors is an integer number (4310651932).

Almost surely, 2^8621303863 is an apocalyptic number.

8621303863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8621303863 is an equidigital number, since it uses as much as digits as its factorization.

8621303863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 8621303863 is about 92850.9766399902. The cubic root of 8621303863 is about 2050.4899771093.

The spelling of 8621303863 in words is "eight billion, six hundred twenty-one million, three hundred three thousand, eight hundred sixty-three".