68770228144 has 10 divisors (see below), whose sum is σ = 133242317060. Its totient is φ = 34385114064.

The previous prime is 68770228141. The next prime is 68770228147. The reversal of 68770228144 is 44182207786.

It is an interprime number because it is at equal distance from previous prime (68770228141) and next prime (68770228147).

It is not an unprimeable number, because it can be changed into a prime (68770228141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2149069614 + ... + 2149069645.

It is an arithmetic number, because the mean of its divisors is an integer number (13324231706).

Almost surely, 2^68770228144 is an apocalyptic number.

It is an amenable number.

68770228144 is a deficient number, since it is larger than the sum of its proper divisors (64472088916).

68770228144 is a wasteful number, since it uses less digits than its factorization.

68770228144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298139267 (or 4298139261 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 68770228144 in words is "sixty-eight billion, seven hundred seventy million, two hundred twenty-eight thousand, one hundred forty-four".