17768038979118 has 16 divisors (see below), whose sum is σ = 35537103266256. Its totient is φ = 5922508775040.

The previous prime is 17768038979083. The next prime is 17768038979123. The reversal of 17768038979118 is 81197983086771.

It is a self number, because there is not a number n which added to its sum of digits gives 17768038979118.

It is a congruent 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, 42495793 + ... + 42911868.

It is an arithmetic number, because the mean of its divisors is an integer number (2221068954141).

Almost surely, 2^{17768038979118} is an apocalyptic number.

17768038979118 is an abundant number, since it is smaller than the sum of its proper divisors (17769064287138).

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

17768038979118 is a wasteful number, since it uses less digits than its factorization.

17768038979118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85442339.

The product of its (nonzero) digits is 256048128, while the sum is 75.

The spelling of 17768038979118 in words is "seventeen trillion, seven hundred sixty-eight billion, thirty-eight million, nine hundred seventy-nine thousand, one hundred eighteen".