8677918643 has 2 divisors, whose sum is σ = 8677918644. Its totient is φ = 8677918642.

The previous prime is 8677918603. The next prime is 8677918679. The reversal of 8677918643 is 3468197768.

8677918643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8677918643 - 2²⁰ = 8676870067 is a prime.

It is a super-2 number, since 2×8677918643² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8677918603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4338959321 + 4338959322.

It is an arithmetic number, because the mean of its divisors is an integer number (4338959322).

Almost surely, 2^8677918643 is an apocalyptic number.

8677918643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8677918643 is an equidigital number, since it uses as much as digits as its factorization.

8677918643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 59.

The square root of 8677918643 is about 93155.3468299056. The cubic root of 8677918643 is about 2054.9686055946.

The spelling of 8677918643 in words is "eight billion, six hundred seventy-seven million, nine hundred eighteen thousand, six hundred forty-three".