68775170865129 has 12 divisors (see below), whose sum is σ = 103661127101376. Its totient is φ = 43856630696472.

The previous prime is 68775170865119. The next prime is 68775170865199. The reversal of 68775170865129 is 92156807157786.

68775170865129 is a `hidden beast` number, since 6 + 8 + 7 + 7 + 517 + 0 + 86 + 5 + 1 + 29 = 666.

It is not a de Polignac number, because 68775170865129 - 2¹⁹ = 68775170340841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68775170865119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166123600917 + ... + 166123601330.

It is an arithmetic number, because the mean of its divisors is an integer number (8638427258448).

Almost surely, 2^{68775170865129} is an apocalyptic number.

68775170865129 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

68775170865129 is a deficient number, since it is larger than the sum of its proper divisors (34885956236247).

68775170865129 is a wasteful number, since it uses less digits than its factorization.

68775170865129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332247202276 (or 332247202273 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 72.

The spelling of 68775170865129 in words is "sixty-eight trillion, seven hundred seventy-five billion, one hundred seventy million, eight hundred sixty-five thousand, one hundred twenty-nine".