63869677066 has 16 divisors (see below), whose sum is σ = 103186137600. Its totient is φ = 29474871408.

The previous prime is 63869677057. The next prime is 63869677073. The reversal of 63869677066 is 66077696836.

It is a junction number, because it is equal to n+sod(n) for n = 63869676989 and 63869677007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90855 + ... + 368773.

It is an arithmetic number, because the mean of its divisors is an integer number (6449133600).

Almost surely, 2^63869677066 is an apocalyptic number.

63869677066 is a deficient number, since it is larger than the sum of its proper divisors (39316460534).

63869677066 is a wasteful number, since it uses less digits than its factorization.

63869677066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286773.

The product of its (nonzero) digits is 82301184, while the sum is 64.

It can be divided in two parts, 638696770 and 66, that added together give a palindrome (638696836).

The spelling of 63869677066 in words is "sixty-three billion, eight hundred sixty-nine million, six hundred seventy-seven thousand, sixty-six".