68773395807911 has 4 divisors (see below), whose sum is σ = 68779621345872. Its totient is φ = 68767170269952.

The previous prime is 68773395807887. The next prime is 68773395807953. The reversal of 68773395807911 is 11970859337786.

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 68773395807911 - 2¹⁰ = 68773395806887 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 (68773395807811) 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, 3112752410 + ... + 3112774503.

It is an arithmetic number, because the mean of its divisors is an integer number (17194905336468).

Almost surely, 2^{68773395807911} is an apocalyptic number.

68773395807911 is a deficient number, since it is larger than the sum of its proper divisors (6225537961).

68773395807911 is a wasteful number, since it uses less digits than its factorization.

68773395807911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225537960.

The product of its (nonzero) digits is 480090240, while the sum is 74.

The spelling of 68773395807911 in words is "sixty-eight trillion, seven hundred seventy-three billion, three hundred ninety-five million, eight hundred seven thousand, nine hundred eleven".