117918178683 has 8 divisors (see below), whose sum is σ = 157226011200. Its totient is φ = 78611232648.

The previous prime is 117918178669. The next prime is 117918178709. The reversal of 117918178683 is 386871819711.

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

It is not a de Polignac number, because 117918178683 - 2⁹ = 117918178171 is a prime.

It is a super-2 number, since 2×117918178683² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117918178283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207408 + ... + 528066.

It is an arithmetic number, because the mean of its divisors is an integer number (19653251400).

Almost surely, 2^117918178683 is an apocalyptic number.

117918178683 is a deficient number, since it is larger than the sum of its proper divisors (39307832517).

117918178683 is a wasteful number, since it uses less digits than its factorization.

117918178683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443241.

The product of its digits is 4064256, while the sum is 60.

The spelling of 117918178683 in words is "one hundred seventeen billion, nine hundred eighteen million, one hundred seventy-eight thousand, six hundred eighty-three".