68729766792786 has 48 divisors (see below), whose sum is σ = 163276806483648. Its totient is φ = 20721480208800.

The previous prime is 68729766792781. The next prime is 68729766792803.

It is a happy number.

68729766792786 is a `hidden beast` number, since 68 + 72 + 97 + 66 + 79 + 278 + 6 = 666.

68729766792786 is nontrivially palindromic in base 10.

68729766792786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68729766792696 and 68729766792705.

It is not an unprimeable number, because it can be changed into a prime (68729766792781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880976310 + ... + 881054321.

It is an arithmetic number, because the mean of its divisors is an integer number (3401600135076).

Almost surely, 2^{68729766792786} is an apocalyptic number.

68729766792786 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68729766792786 is an abundant number, since it is smaller than the sum of its proper divisors (94547039690862).

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

68729766792786 is a wasteful number, since it uses less digits than its factorization.

68729766792786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762030847 (or 1762030844 counting only the distinct ones).

The product of its digits is 64524128256, while the sum is 90.

The spelling of 68729766792786 in words is "sixty-eight trillion, seven hundred twenty-nine billion, seven hundred sixty-six million, seven hundred ninety-two thousand, seven hundred eighty-six".