117438899 has 8 divisors (see below), whose sum is σ = 119443968. Its totient is φ = 115443720.

The previous prime is 117438877. The next prime is 117438901. The reversal of 117438899 is 998834711.

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

It is a cyclic number.

It is not a de Polignac number, because 117438899 - 2¹⁶ = 117373363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117438809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23804 + ... + 28310.

It is an arithmetic number, because the mean of its divisors is an integer number (14930496).

Almost surely, 2^117438899 is an apocalyptic number.

117438899 is a deficient number, since it is larger than the sum of its proper divisors (2005069).

117438899 is an equidigital number, since it uses as much as digits as its factorization.

117438899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its digits is 435456, while the sum is 50.

The square root of 117438899 is about 10836.9229488818. The cubic root of 117438899 is about 489.7081407852.

The spelling of 117438899 in words is "one hundred seventeen million, four hundred thirty-eight thousand, eight hundred ninety-nine".