867989768 has 32 divisors (see below), whose sum is σ = 1737288000. Its totient is φ = 405357120.

The previous prime is 867989761. The next prime is 867989777.

867989768 is nontrivially palindromic in base 10.

867989768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 867989698 and 867989707.

It is not an unprimeable number, because it can be changed into a prime (867989761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29423 + ... + 51006.

It is an arithmetic number, because the mean of its divisors is an integer number (54290250).

Almost surely, 2^867989768 is an apocalyptic number.

It is an amenable number.

867989768 is an abundant number, since it is smaller than the sum of its proper divisors (869298232).

867989768 is a wasteful number, since it uses less digits than its factorization.

867989768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80525 (or 80521 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The square root of 867989768 is about 29461.6660764458. Note that the first 3 decimals coincide. The cubic root of 867989768 is about 953.9044363077.

The spelling of 867989768 in words is "eight hundred sixty-seven million, nine hundred eighty-nine thousand, seven hundred sixty-eight".