117847641 has 8 divisors (see below), whose sum is σ = 157185184. Its totient is φ = 78537600.

The previous prime is 117847637. The next prime is 117847657. The reversal of 117847641 is 146748711.

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

It is not a de Polignac number, because 117847641 - 2² = 117847637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117847641.

It is not an unprimeable number, because it can be changed into a prime (117847661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (19648148).

Almost surely, 2^117847641 is an apocalyptic number.

It is an amenable number.

117847641 is a deficient number, since it is larger than the sum of its proper divisors (39337543).

117847641 is an equidigital number, since it uses as much as digits as its factorization.

117847641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751.

The product of its digits is 37632, while the sum is 39.

The square root of 117847641 is about 10855.7653346045. The cubic root of 117847641 is about 490.2756203085.

The spelling of 117847641 in words is "one hundred seventeen million, eight hundred forty-seven thousand, six hundred forty-one".