768985683 has 4 divisors (see below), whose sum is σ = 1025314248. Its totient is φ = 512657120.

The previous prime is 768985631. The next prime is 768985697. The reversal of 768985683 is 386589867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768985683 - 2¹⁰ = 768984659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768985603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128164278 + ... + 128164283.

It is an arithmetic number, because the mean of its divisors is an integer number (256328562).

Almost surely, 2^768985683 is an apocalyptic number.

768985683 is a deficient number, since it is larger than the sum of its proper divisors (256328565).

768985683 is a wasteful number, since it uses less digits than its factorization.

768985683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256328564.

The product of its digits is 17418240, while the sum is 60.

The square root of 768985683 is about 27730.5911044103. The cubic root of 768985683 is about 916.1630061953.

The spelling of 768985683 in words is "seven hundred sixty-eight million, nine hundred eighty-five thousand, six hundred eighty-three".