8855664677863 has 16 divisors (see below), whose sum is σ = 9422640589824. Its totient is φ = 8293842956160.

The previous prime is 8855664677861. The next prime is 8855664677879. The reversal of 8855664677863 is 3687764665588.

It is a cyclic number.

It is not a de Polignac number, because 8855664677863 - 2¹ = 8855664677861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8855664677861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7090378 + ... + 8245288.

It is an arithmetic number, because the mean of its divisors is an integer number (588915036864).

Almost surely, 2^{8855664677863} is an apocalyptic number.

8855664677863 is a deficient number, since it is larger than the sum of its proper divisors (566975911961).

8855664677863 is a wasteful number, since it uses less digits than its factorization.

8855664677863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157142.

The product of its digits is 9754214400, while the sum is 79.

The spelling of 8855664677863 in words is "eight trillion, eight hundred fifty-five billion, six hundred sixty-four million, six hundred seventy-seven thousand, eight hundred sixty-three".