68796240239 has 4 divisors (see below), whose sum is σ = 70474197360. Its totient is φ = 67118283120.

The previous prime is 68796240223. The next prime is 68796240251. The reversal of 68796240239 is 93204269786.

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 68796240239 - 2⁴ = 68796240223 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 (68796240259) 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, 838978499 + ... + 838978580.

It is an arithmetic number, because the mean of its divisors is an integer number (17618549340).

Almost surely, 2^68796240239 is an apocalyptic number.

68796240239 is a deficient number, since it is larger than the sum of its proper divisors (1677957121).

68796240239 is a wasteful number, since it uses less digits than its factorization.

68796240239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677957120.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 68796240239 in words is "sixty-eight billion, seven hundred ninety-six million, two hundred forty thousand, two hundred thirty-nine".