768982828648 has 8 divisors (see below), whose sum is σ = 1441842803730. Its totient is φ = 384491414320.

The previous prime is 768982828643. The next prime is 768982828729. The reversal of 768982828648 is 846828289867.

It can be written as a sum of positive squares in only one way, i.e., 479304213124 + 289678615524 = 692318^2 + 538218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (768982828643) by changing a digit.

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 as a sum of consecutive naturals, namely, 48061426783 + ... + 48061426798.

Almost surely, 2^768982828648 is an apocalyptic number.

It is an amenable number.

768982828648 is a deficient number, since it is larger than the sum of its proper divisors (672859975082).

768982828648 is a wasteful number, since it uses less digits than its factorization.

768982828648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96122853587 (or 96122853583 counting only the distinct ones).

The product of its digits is 1189085184, while the sum is 76.

The spelling of 768982828648 in words is "seven hundred sixty-eight billion, nine hundred eighty-two million, eight hundred twenty-eight thousand, six hundred forty-eight".