117179851 has 8 divisors (see below), whose sum is σ = 122145680. Its totient is φ = 112308768.

The previous prime is 117179809. The next prime is 117179863. The reversal of 117179851 is 158971711.

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 117179851 - 2¹⁵ = 117147083 is a prime.

It is a super-2 number, since 2×117179851² = 27462234960764402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117179801) 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, 21156 + ... + 26113.

It is an arithmetic number, because the mean of its divisors is an integer number (15268210).

Almost surely, 2^117179851 is an apocalyptic number.

117179851 is a deficient number, since it is larger than the sum of its proper divisors (4965829).

117179851 is an equidigital number, since it uses as much as digits as its factorization.

117179851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47373.

The product of its digits is 17640, while the sum is 40.

The square root of 117179851 is about 10824.9642493636. The cubic root of 117179851 is about 489.3478078664.

The spelling of 117179851 in words is "one hundred seventeen million, one hundred seventy-nine thousand, eight hundred fifty-one".