768932716669 has 8 divisors (see below), whose sum is σ = 829568076120. Its totient is φ = 708509741376.

The previous prime is 768932716667. The next prime is 768932716687. The reversal of 768932716669 is 966617239867.

It can be written as a sum of positive squares in 4 ways, for example, as 17052964569 + 751879752100 = 130587^2 + 867110^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 768932716669 - 2¹ = 768932716667 is a prime.

It is a super-2 number, since 2×768932716669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768932716598 and 768932716607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768932716667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53088514 + ... + 53102995.

It is an arithmetic number, because the mean of its divisors is an integer number (103696009515).

Almost surely, 2^768932716669 is an apocalyptic number.

It is an amenable number.

768932716669 is a deficient number, since it is larger than the sum of its proper divisors (60635359451).

768932716669 is a wasteful number, since it uses less digits than its factorization.

768932716669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106192079.

The product of its digits is 246903552, while the sum is 70.

The spelling of 768932716669 in words is "seven hundred sixty-eight billion, nine hundred thirty-two million, seven hundred sixteen thousand, six hundred sixty-nine".