68741791537127 has 4 divisors (see below), whose sum is σ = 69570005893080. Its totient is φ = 67913577181176.

The previous prime is 68741791537099. The next prime is 68741791537163. The reversal of 68741791537127 is 72173519714786.

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 68741791537127 - 2⁸ = 68741791536871 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 (68741791537327) 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, 414107177852 + ... + 414107178017.

It is an arithmetic number, because the mean of its divisors is an integer number (17392501473270).

Almost surely, 2^{68741791537127} is an apocalyptic number.

68741791537127 is a deficient number, since it is larger than the sum of its proper divisors (828214355953).

68741791537127 is an equidigital number, since it uses as much as digits as its factorization.

68741791537127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828214355952.

The product of its digits is 124467840, while the sum is 68.

The spelling of 68741791537127 in words is "sixty-eight trillion, seven hundred forty-one billion, seven hundred ninety-one million, five hundred thirty-seven thousand, one hundred twenty-seven".