117728819182 has 8 divisors (see below), whose sum is σ = 190177323336. Its totient is φ = 54336378072.

The previous prime is 117728819167. The next prime is 117728819227. The reversal of 117728819182 is 281918827711.

It is a happy number.

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

It is a super-2 number, since 2×117728819182² (a number of 23 digits) contains 22 as substring.

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, 2264015728 + ... + 2264015779.

It is an arithmetic number, because the mean of its divisors is an integer number (23772165417).

Almost surely, 2^117728819182 is an apocalyptic number.

117728819182 is a deficient number, since it is larger than the sum of its proper divisors (72448504154).

117728819182 is a wasteful number, since it uses less digits than its factorization.

117728819182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528031522.

The product of its digits is 903168, while the sum is 55.

The spelling of 117728819182 in words is "one hundred seventeen billion, seven hundred twenty-eight million, eight hundred nineteen thousand, one hundred eighty-two".