117505173782 has 8 divisors (see below), whose sum is σ = 186625864296. Its totient is φ = 55296552352.

The previous prime is 117505173767. The next prime is 117505173839. The reversal of 117505173782 is 287371505711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728017228 + ... + 1728017295.

It is an arithmetic number, because the mean of its divisors is an integer number (23328233037).

Almost surely, 2^117505173782 is an apocalyptic number.

117505173782 is a deficient number, since it is larger than the sum of its proper divisors (69120690514).

117505173782 is a wasteful number, since it uses less digits than its factorization.

117505173782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456034542.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 117505173782 in words is "one hundred seventeen billion, five hundred five million, one hundred seventy-three thousand, seven hundred eighty-two".