8628459863 has 2 divisors, whose sum is σ = 8628459864. Its totient is φ = 8628459862.

The previous prime is 8628459859. The next prime is 8628459899. The reversal of 8628459863 is 3689548268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8628459863 - 2² = 8628459859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8628459823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4314229931 + 4314229932.

It is an arithmetic number, because the mean of its divisors is an integer number (4314229932).

Almost surely, 2^8628459863 is an apocalyptic number.

8628459863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8628459863 is an equidigital number, since it uses as much as digits as its factorization.

8628459863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 59.

The square root of 8628459863 is about 92889.5035135833. The cubic root of 8628459863 is about 2051.0571476357.

The spelling of 8628459863 in words is "eight billion, six hundred twenty-eight million, four hundred fifty-nine thousand, eight hundred sixty-three".