768812168 has 16 divisors (see below), whose sum is σ = 1504198080. Its totient is φ = 367692688.

The previous prime is 768812167. The next prime is 768812189. The reversal of 768812168 is 861218867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (768812167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088980 + ... + 2089347.

It is an arithmetic number, because the mean of its divisors is an integer number (94012380).

Almost surely, 2^768812168 is an apocalyptic number.

It is an amenable number.

768812168 is a deficient number, since it is larger than the sum of its proper divisors (735385912).

768812168 is a wasteful number, since it uses less digits than its factorization.

768812168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178356 (or 4178352 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 768812168 is about 27727.4623433159. The cubic root of 768812168 is about 916.0940929131.

It can be divided in two parts, 7688 and 12168, that multiplied together give a square (93547584 = 9672²).

The spelling of 768812168 in words is "seven hundred sixty-eight million, eight hundred twelve thousand, one hundred sixty-eight".