768391761841 has 8 divisors (see below), whose sum is σ = 839718756000. Its totient is φ = 697310300640.

The previous prime is 768391761793. The next prime is 768391761859. The reversal of 768391761841 is 148167193867.

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 768391761841 - 2⁹ = 768391761329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768391761841.

It is not an unprimeable number, because it can be changed into a prime (768391762841) 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, 61376691 + ... + 61389208.

It is an arithmetic number, because the mean of its divisors is an integer number (104964844500).

Almost surely, 2^768391761841 is an apocalyptic number.

It is an amenable number.

768391761841 is a deficient number, since it is larger than the sum of its proper divisors (71326994159).

768391761841 is a wasteful number, since it uses less digits than its factorization.

768391761841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122766479.

The product of its digits is 12192768, while the sum is 61.

The spelling of 768391761841 in words is "seven hundred sixty-eight billion, three hundred ninety-one million, seven hundred sixty-one thousand, eight hundred forty-one".