768321627 has 4 divisors (see below), whose sum is σ = 1024428840. Its totient is φ = 512214416.

The previous prime is 768321623. The next prime is 768321637. The reversal of 768321627 is 726123867.

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 768321627 - 2² = 768321623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768321623) 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, 128053602 + ... + 128053607.

It is an arithmetic number, because the mean of its divisors is an integer number (256107210).

Almost surely, 2^768321627 is an apocalyptic number.

768321627 is a deficient number, since it is larger than the sum of its proper divisors (256107213).

768321627 is a wasteful number, since it uses less digits than its factorization.

768321627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256107212.

The product of its digits is 169344, while the sum is 42.

The square root of 768321627 is about 27718.6151710362. The cubic root of 768321627 is about 915.8992133568.

The spelling of 768321627 in words is "seven hundred sixty-eight million, three hundred twenty-one thousand, six hundred twenty-seven".