869949968 has 20 divisors (see below), whose sum is σ = 1687631568. Its totient is φ = 434432160.

The previous prime is 869949961. The next prime is 869950001.

869949968 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 869949898 and 869949907.

It is not an unprimeable number, because it can be changed into a prime (869949961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20546 + ... + 46497.

Almost surely, 2^869949968 is an apocalyptic number.

It is an amenable number.

869949968 is a deficient number, since it is larger than the sum of its proper divisors (817681600).

869949968 is a wasteful number, since it uses less digits than its factorization.

869949968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67862 (or 67856 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 68.

The square root of 869949968 is about 29494.9142734811. The cubic root of 869949968 is about 954.6219707530.

The spelling of 869949968 in words is "eight hundred sixty-nine million, nine hundred forty-nine thousand, nine hundred sixty-eight".