117854169 has 8 divisors (see below), whose sum is σ = 165409440. Its totient is φ = 74434176.

The previous prime is 117854167. The next prime is 117854171. The reversal of 117854169 is 961458711.

It is an interprime number because it is at equal distance from previous prime (117854167) and next prime (117854171).

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

It is not a de Polignac number, because 117854169 - 2¹ = 117854167 is a prime.

It is a super-2 number, since 2×117854169² = 27779210301361122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 117854169.

It is not an unprimeable number, because it can be changed into a prime (117854161) 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, 1033752 + ... + 1033865.

It is an arithmetic number, because the mean of its divisors is an integer number (20676180).

Almost surely, 2^117854169 is an apocalyptic number.

117854169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117854169 is a deficient number, since it is larger than the sum of its proper divisors (47555271).

117854169 is a wasteful number, since it uses less digits than its factorization.

117854169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067639.

The product of its digits is 60480, while the sum is 42.

The square root of 117854169 is about 10856.0660001678. The cubic root of 117854169 is about 490.2846728449.

The spelling of 117854169 in words is "one hundred seventeen million, eight hundred fifty-four thousand, one hundred sixty-nine".