117408973 has 4 divisors (see below), whose sum is σ = 128082528. Its totient is φ = 106735420.

The previous prime is 117408971. The next prime is 117408983. The reversal of 117408973 is 379804711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117408973 - 2¹ = 117408971 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 (117408971) 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, 5336761 + ... + 5336782.

It is an arithmetic number, because the mean of its divisors is an integer number (32020632).

Almost surely, 2^117408973 is an apocalyptic number.

It is an amenable number.

117408973 is a deficient number, since it is larger than the sum of its proper divisors (10673555).

117408973 is a wasteful number, since it uses less digits than its factorization.

117408973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673554.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 117408973 is about 10835.5421184175. The cubic root of 117408973 is about 489.6665411366. Note that the first 3 decimals are identical.

The spelling of 117408973 in words is "one hundred seventeen million, four hundred eight thousand, nine hundred seventy-three".