117029447 has 4 divisors (see below), whose sum is σ = 117055320. Its totient is φ = 117003576.

The previous prime is 117029441. The next prime is 117029449. The reversal of 117029447 is 744920711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117029447 - 2⁶ = 117029383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117029441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (29263830).

Almost surely, 2^117029447 is an apocalyptic number.

117029447 is a deficient number, since it is larger than the sum of its proper divisors (25873).

117029447 is an equidigital number, since it uses as much as digits as its factorization.

117029447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 117029447 is about 10818.0149288120. The cubic root of 117029447 is about 489.1383538269.

The spelling of 117029447 in words is "one hundred seventeen million, twenty-nine thousand, four hundred forty-seven".