117641499 has 8 divisors (see below), whose sum is σ = 157507152. Its totient is φ = 78101760.

The previous prime is 117641477. The next prime is 117641509. The reversal of 117641499 is 994146711.

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

It is not a de Polignac number, because 117641499 - 2⁹ = 117640987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117641499.

It is not an unprimeable number, because it can be changed into a prime (117641449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80634 + ... + 82079.

It is an arithmetic number, because the mean of its divisors is an integer number (19688394).

Almost surely, 2^117641499 is an apocalyptic number.

117641499 is a deficient number, since it is larger than the sum of its proper divisors (39865653).

117641499 is a wasteful number, since it uses less digits than its factorization.

117641499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162957.

The product of its digits is 54432, while the sum is 42.

The square root of 117641499 is about 10846.2665927037. The cubic root of 117641499 is about 489.9895860622.

The spelling of 117641499 in words is "one hundred seventeen million, six hundred forty-one thousand, four hundred ninety-nine".