867622828226768 has 20 divisors (see below), whose sum is σ = 1681052623896708. Its totient is φ = 433802796253440.

The previous prime is 867622828226761. The next prime is 867622828227013.

867622828226768 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 393314887580224 + 474307940646544 = 19832168^2 + 21778612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 867622828226692 and 867622828226701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867622828226761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537785621 + ... + 539396532.

Almost surely, 2^{867622828226768} is an apocalyptic number.

It is an amenable number.

867622828226768 is a deficient number, since it is larger than the sum of its proper divisors (813429795669940).

867622828226768 is a wasteful number, since it uses less digits than its factorization.

867622828226768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077232502 (or 1077232496 counting only the distinct ones).

The product of its digits is 8323596288, while the sum is 80.

The spelling of 867622828226768 in words is "eight hundred sixty-seven trillion, six hundred twenty-two billion, eight hundred twenty-eight million, two hundred twenty-six thousand, seven hundred sixty-eight".