68788656027 has 144 divisors (see below), whose sum is σ = 136683342432. Its totient is φ = 34148459520.

The previous prime is 68788656019. The next prime is 68788656043. The reversal of 68788656027 is 72065688786.

68788656027 is a `hidden beast` number, since 68 + 7 + 8 + 8 + 6 + 560 + 2 + 7 = 666.

It is not a de Polignac number, because 68788656027 - 2³ = 68788656019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (68788651027) 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, 2618377 + ... + 2644517.

It is an arithmetic number, because the mean of its divisors is an integer number (949189878).

Almost surely, 2^68788656027 is an apocalyptic number.

68788656027 is a deficient number, since it is larger than the sum of its proper divisors (67894686405).

68788656027 is a wasteful number, since it uses less digits than its factorization.

68788656027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26200 (or 26181 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 68788656027 in words is "sixty-eight billion, seven hundred eighty-eight million, six hundred fifty-six thousand, twenty-seven".