867444484444768 has 12 divisors (see below), whose sum is σ = 1707781328750700. Its totient is φ = 433722242222368.

The previous prime is 867444484444711. The next prime is 867444484444793.

It is a happy number.

867444484444768 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 867444484444691 and 867444484444700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13553820069418 + ... + 13553820069481.

It is an arithmetic number, because the mean of its divisors is an integer number (142315110729225).

Almost surely, 2^{867444484444768} is an apocalyptic number.

It is an amenable number.

867444484444768 is a deficient number, since it is larger than the sum of its proper divisors (840336844305932).

867444484444768 is a wasteful number, since it uses less digits than its factorization.

867444484444768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27107640138909 (or 27107640138901 counting only the distinct ones).

The product of its digits is 59190018048, while the sum is 82.

The spelling of 867444484444768 in words is "eight hundred sixty-seven trillion, four hundred forty-four billion, four hundred eighty-four million, four hundred forty-four thousand, seven hundred sixty-eight".