767747604868 has 6 divisors (see below), whose sum is σ = 1343558308526. Its totient is φ = 383873802432.

The previous prime is 767747604847. The next prime is 767747604941. The reversal of 767747604868 is 868406747767.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 601831505284 + 165916099584 = 775778^2 + 407328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 767747604797 and 767747604806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95968450605 + ... + 95968450612.

Almost surely, 2^767747604868 is an apocalyptic number.

It is an amenable number.

767747604868 is a deficient number, since it is larger than the sum of its proper divisors (575810703658).

767747604868 is a wasteful number, since it uses less digits than its factorization.

767747604868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191936901221 (or 191936901219 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 70.

The spelling of 767747604868 in words is "seven hundred sixty-seven billion, seven hundred forty-seven million, six hundred four thousand, eight hundred sixty-eight".