68127758897 has 16 divisors (see below), whose sum is σ = 76454670912. Its totient is φ = 60161901120.

The previous prime is 68127758887. The next prime is 68127758921. The reversal of 68127758897 is 79885772186.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68127758897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68127758857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112958 + ... + 386024.

It is an arithmetic number, because the mean of its divisors is an integer number (4778416932).

Almost surely, 2^68127758897 is an apocalyptic number.

It is an amenable number.

68127758897 is a deficient number, since it is larger than the sum of its proper divisors (8326912015).

68127758897 is a wasteful number, since it uses less digits than its factorization.

68127758897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273728.

The product of its digits is 94832640, while the sum is 68.

The spelling of 68127758897 in words is "sixty-eight billion, one hundred twenty-seven million, seven hundred fifty-eight thousand, eight hundred ninety-seven".