68887127144 has 16 divisors (see below), whose sum is σ = 140905487520. Its totient is φ = 31312330480.

The previous prime is 68887127143. The next prime is 68887127173. The reversal of 68887127144 is 44172178886.

It is a self number, because there is not a number n which added to its sum of digits gives 68887127144.

It is not an unprimeable number, because it can be changed into a prime (68887127143) 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, 391404044 + ... + 391404219.

It is an arithmetic number, because the mean of its divisors is an integer number (8806592970).

Almost surely, 2^68887127144 is an apocalyptic number.

It is an amenable number.

68887127144 is an abundant number, since it is smaller than the sum of its proper divisors (72018360376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68887127144 is a wasteful number, since it uses less digits than its factorization.

68887127144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782808280 (or 782808276 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 56.

The spelling of 68887127144 in words is "sixty-eight billion, eight hundred eighty-seven million, one hundred twenty-seven thousand, one hundred forty-four".