68255188287 has 16 divisors (see below), whose sum is σ = 106917218688. Its totient is φ = 38184720480.

The previous prime is 68255188259. The next prime is 68255188297. The reversal of 68255188287 is 78288155286.

It is not a de Polignac number, because 68255188287 - 2⁷ = 68255188159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68255188287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68255188247) 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, 79551073 + ... + 79551930.

It is an arithmetic number, because the mean of its divisors is an integer number (6682326168).

Almost surely, 2^68255188287 is an apocalyptic number.

68255188287 is a deficient number, since it is larger than the sum of its proper divisors (38662030401).

68255188287 is a wasteful number, since it uses less digits than its factorization.

68255188287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159103030.

The product of its digits is 17203200, while the sum is 60.

The spelling of 68255188287 in words is "sixty-eight billion, two hundred fifty-five million, one hundred eighty-eight thousand, two hundred eighty-seven".