768220696324 has 9 divisors (see below), whose sum is σ = 1344389286261. Its totient is φ = 384109471680.

The previous prime is 768220696319. The next prime is 768220696337. The reversal of 768220696324 is 423696022867.

The square root of 768220696324 is 876482.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 704958385924 + 63262310400 = 839618^2 + 251520^2 .

It is a super-2 number, since 2×768220696324² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1533844 + ... + 1972084.

Almost surely, 2^768220696324 is an apocalyptic number.

768220696324 is the 876482-nd square number.

It is an amenable number.

768220696324 is a deficient number, since it is larger than the sum of its proper divisors (576168589937).

768220696324 is an frugal number, since it uses more digits than its factorization.

768220696324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876486 (or 438243 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 768220696324 in words is "seven hundred sixty-eight billion, two hundred twenty million, six hundred ninety-six thousand, three hundred twenty-four".