768860662193 has 8 divisors (see below), whose sum is σ = 832293967848. Its totient is φ = 706040239104.

The previous prime is 768860662159. The next prime is 768860662253. The reversal of 768860662193 is 391266068867.

It can be written as a sum of positive squares in 4 ways, for example, as 113719351729 + 655141310464 = 337223^2 + 809408^2 .

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 768860662193 - 2¹⁰ = 768860661169 is a prime.

It is a super-2 number, since 2×768860662193² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768860662123) 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 in 7 ways as a sum of consecutive naturals, for example, 153218030 + ... + 153223047.

It is an arithmetic number, because the mean of its divisors is an integer number (104036745981).

Almost surely, 2^768860662193 is an apocalyptic number.

It is an amenable number.

768860662193 is a deficient number, since it is larger than the sum of its proper divisors (63433305655).

768860662193 is a wasteful number, since it uses less digits than its factorization.

768860662193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306441283.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 768860662193 in words is "seven hundred sixty-eight billion, eight hundred sixty million, six hundred sixty-two thousand, one hundred ninety-three".