117830999 has 8 divisors (see below), whose sum is σ = 138430992. Its totient is φ = 98879040.

The previous prime is 117830987. The next prime is 117831011. The reversal of 117830999 is 999038711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117830987) and next prime (117831011).

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

It is not a de Polignac number, because 117830999 - 2²⁴ = 101053783 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 (117830929) 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, 411854 + ... + 412139.

It is an arithmetic number, because the mean of its divisors is an integer number (17303874).

Almost surely, 2^117830999 is an apocalyptic number.

117830999 is a deficient number, since it is larger than the sum of its proper divisors (20599993).

117830999 is a wasteful number, since it uses less digits than its factorization.

117830999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824017.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 117830999 is about 10854.9988023951. The cubic root of 117830999 is about 490.2525409299.

The spelling of 117830999 in words is "one hundred seventeen million, eight hundred thirty thousand, nine hundred ninety-nine".