68847028029 has 144 divisors (see below), whose sum is σ = 118964244672. Its totient is φ = 39539840256.

The previous prime is 68847028027. The next prime is 68847028039. The reversal of 68847028029 is 92082074886.

It is not a de Polignac number, because 68847028029 - 2¹ = 68847028027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68847028027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 83248714 + ... + 83249540.

It is an arithmetic number, because the mean of its divisors is an integer number (826140588).

Almost surely, 2^68847028029 is an apocalyptic number.

It is an amenable number.

68847028029 is a deficient number, since it is larger than the sum of its proper divisors (50117216643).

68847028029 is a wasteful number, since it uses less digits than its factorization.

68847028029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 68847028029 in words is "sixty-eight billion, eight hundred forty-seven million, twenty-eight thousand, twenty-nine".