117459899 has 4 divisors (see below), whose sum is σ = 121248960. Its totient is φ = 113670840.

The previous prime is 117459893. The next prime is 117459913. The reversal of 117459899 is 998954711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998954711 = 27241 ⋅36671.

It is a cyclic number.

It is not a de Polignac number, because 117459899 - 2⁴ = 117459883 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 117459899.

It is not an unprimeable number, because it can be changed into a prime (117459893) 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 3 ways as a sum of consecutive naturals, for example, 1894484 + ... + 1894545.

It is an arithmetic number, because the mean of its divisors is an integer number (30312240).

Almost surely, 2^117459899 is an apocalyptic number.

117459899 is a deficient number, since it is larger than the sum of its proper divisors (3789061).

117459899 is an equidigital number, since it uses as much as digits as its factorization.

117459899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789060.

The product of its digits is 816480, while the sum is 53.

The square root of 117459899 is about 10837.8918152932. The cubic root of 117459899 is about 489.7373283263.

The spelling of 117459899 in words is "one hundred seventeen million, four hundred fifty-nine thousand, eight hundred ninety-nine".