679619768 has 16 divisors (see below), whose sum is σ = 1277655000. Its totient is φ = 338911776.

The previous prime is 679619729. The next prime is 679619819. The reversal of 679619768 is 867916976.

679619768 = 132² + 133² + ... + 1268².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109043 + ... + 115106.

Almost surely, 2^679619768 is an apocalyptic number.

It is an amenable number.

679619768 is a deficient number, since it is larger than the sum of its proper divisors (598035232).

679619768 is a wasteful number, since it uses less digits than its factorization.

679619768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224534 (or 224530 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 59.

The square root of 679619768 is about 26069.5179855708. The cubic root of 679619768 is about 879.2020004078.

The spelling of 679619768 in words is "six hundred seventy-nine million, six hundred nineteen thousand, seven hundred sixty-eight".