68758661802 has 16 divisors (see below), whose sum is σ = 142259300640. Its totient is φ = 22129224432.

The previous prime is 68758661717. The next prime is 68758661857. The reversal of 68758661802 is 20816685786.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197582188 + ... + 197582535.

It is an arithmetic number, because the mean of its divisors is an integer number (8891206290).

Almost surely, 2^68758661802 is an apocalyptic number.

68758661802 is an abundant number, since it is smaller than the sum of its proper divisors (73500638838).

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

68758661802 is a wasteful number, since it uses less digits than its factorization.

68758661802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395164757.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 68758661802 in words is "sixty-eight billion, seven hundred fifty-eight million, six hundred sixty-one thousand, eight hundred two".