869902020209968 has 10 divisors (see below), whose sum is σ = 1685435164156844. Its totient is φ = 434951010104976.

The previous prime is 869902020209759. The next prime is 869902020209993.

It is a happy number.

869902020209968 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×869902020209968² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869902020209897 and 869902020209906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27184438131546 + ... + 27184438131577.

Almost surely, 2^{869902020209968} is an apocalyptic number.

It is an amenable number.

869902020209968 is a deficient number, since it is larger than the sum of its proper divisors (815533143946876).

869902020209968 is a wasteful number, since it uses less digits than its factorization.

869902020209968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54368876263131 (or 54368876263125 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 70.

The spelling of 869902020209968 in words is "eight hundred sixty-nine trillion, nine hundred two billion, twenty million, two hundred nine thousand, nine hundred sixty-eight".