117185036329 has 27 divisors (see below), whose sum is σ = 126923304573. Its totient is φ = 108176806584.

The previous prime is 117185036323. The next prime is 117185036357. The reversal of 117185036329 is 923630581711.

It is a happy number.

The square root of 117185036329 is 342323.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-117185036329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117185036323) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 279677682 + ... + 279678100.

Almost surely, 2^117185036329 is an apocalyptic number.

117185036329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117185036329 is the 342323-rd square number.

117185036329 is the 171162-nd centered octagonal number.

It is an amenable number.

117185036329 is a deficient number, since it is larger than the sum of its proper divisors (9738268244).

117185036329 is an frugal number, since it uses more digits than its factorization.

117185036329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 117185036329 in words is "one hundred seventeen billion, one hundred eighty-five million, thirty-six thousand, three hundred twenty-nine".