867347385753256 has 16 divisors (see below), whose sum is σ = 1626277308039540. Its totient is φ = 433673436942720.

The previous prime is 867347385753221. The next prime is 867347385753263. The reversal of 867347385753256 is 652357583743768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 848272032512100 + 19075353241156 = 29125110^2 + 4367534^2 .

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 3 ways as a sum of consecutive naturals, for example, 17185615 + ... + 45055966.

Almost surely, 2^{867347385753256} is an apocalyptic number.

It is an amenable number.

867347385753256 is a deficient number, since it is larger than the sum of its proper divisors (758929922286284).

867347385753256 is a wasteful number, since it uses less digits than its factorization.

867347385753256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63983484 (or 63983480 counting only the distinct ones).

The product of its digits is 21337344000, while the sum is 79.

The spelling of 867347385753256 in words is "eight hundred sixty-seven trillion, three hundred forty-seven billion, three hundred eighty-five million, seven hundred fifty-three thousand, two hundred fifty-six".