768981240623 has 4 divisors (see below), whose sum is σ = 769341084240. Its totient is φ = 768621397008.

The previous prime is 768981240607. The next prime is 768981240637. The reversal of 768981240623 is 326042189867.

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 768981240623 - 2⁴ = 768981240607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768981240653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179918603 + ... + 179922876.

It is an arithmetic number, because the mean of its divisors is an integer number (192335271060).

Almost surely, 2^768981240623 is an apocalyptic number.

768981240623 is a deficient number, since it is larger than the sum of its proper divisors (359843617).

768981240623 is a wasteful number, since it uses less digits than its factorization.

768981240623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359843616.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 768981240623 in words is "seven hundred sixty-eight billion, nine hundred eighty-one million, two hundred forty thousand, six hundred twenty-three".