869664035392 has 14 divisors (see below), whose sum is σ = 1725739570358. Its totient is φ = 434832017664.

The previous prime is 869664035363. The next prime is 869664035413. The reversal of 869664035392 is 293530466968.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 828070880256 + 41593155136 = 909984^2 + 203944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 869664035392.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6794250213 + ... + 6794250340.

Almost surely, 2^869664035392 is an apocalyptic number.

It is an amenable number.

869664035392 is a deficient number, since it is larger than the sum of its proper divisors (856075534966).

869664035392 is a wasteful number, since it uses less digits than its factorization.

869664035392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13588500565 (or 13588500555 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 61.

The spelling of 869664035392 in words is "eight hundred sixty-nine billion, six hundred sixty-four million, thirty-five thousand, three hundred ninety-two".