68874638684 has 24 divisors (see below), whose sum is σ = 126946528128. Its totient is φ = 32632189040.

The previous prime is 68874638629. The next prime is 68874638699. The reversal of 68874638684 is 48683647886.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3488462 + ... + 3508149.

It is an arithmetic number, because the mean of its divisors is an integer number (5289438672).

Almost surely, 2^68874638684 is an apocalyptic number.

It is an amenable number.

68874638684 is a deficient number, since it is larger than the sum of its proper divisors (58071889444).

68874638684 is a wasteful number, since it uses less digits than its factorization.

68874638684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996745 (or 6996743 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 68.

The spelling of 68874638684 in words is "sixty-eight billion, eight hundred seventy-four million, six hundred thirty-eight thousand, six hundred eighty-four".