768212768 has 24 divisors (see below), whose sum is σ = 1513397340. Its totient is φ = 383857920.

The previous prime is 768212749. The next prime is 768212771. The reversal of 768212768 is 867212867.

It can be written as a sum of positive squares in 2 ways, for example, as 764633104 + 3579664 = 27652^2 + 1892^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 48818 + ... + 62606.

Almost surely, 2^768212768 is an apocalyptic number.

It is an amenable number.

768212768 is a deficient number, since it is larger than the sum of its proper divisors (745184572).

768212768 is a wasteful number, since it uses less digits than its factorization.

768212768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15540 (or 15532 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 768212768 is about 27716.6514572017. The cubic root of 768212768 is about 915.8559551786.

Subtracting 768212768 from its reverse (867212867), we obtain a palindrome (99000099).

The spelling of 768212768 in words is "seven hundred sixty-eight million, two hundred twelve thousand, seven hundred sixty-eight".