867646768 has 10 divisors (see below), whose sum is σ = 1681065644. Its totient is φ = 433823376.

The previous prime is 867646753. The next prime is 867646807.

It is a happy number.

867646768 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27113946 + ... + 27113977.

Almost surely, 2^867646768 is an apocalyptic number.

It is an amenable number.

867646768 is a deficient number, since it is larger than the sum of its proper divisors (813418876).

867646768 is a wasteful number, since it uses less digits than its factorization.

867646768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54227931 (or 54227925 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 58.

The square root of 867646768 is about 29455.8443776443. The cubic root of 867646768 is about 953.7787695694.

The spelling of 867646768 in words is "eight hundred sixty-seven million, six hundred forty-six thousand, seven hundred sixty-eight".