117921882854 has 8 divisors (see below), whose sum is σ = 176897036160. Its totient is φ = 58956204136.

The previous prime is 117921882839. The next prime is 117921882919. The reversal of 117921882854 is 458288129711.

117921882854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 117921882854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337449 + ... + 2387364.

It is an arithmetic number, because the mean of its divisors is an integer number (22112129520).

Almost surely, 2^117921882854 is an apocalyptic number.

117921882854 is a deficient number, since it is larger than the sum of its proper divisors (58975153306).

117921882854 is a wasteful number, since it uses less digits than its factorization.

117921882854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737294.

The product of its digits is 2580480, while the sum is 56.

The spelling of 117921882854 in words is "one hundred seventeen billion, nine hundred twenty-one million, eight hundred eighty-two thousand, eight hundred fifty-four".