117328851 has 16 divisors (see below), whose sum is σ = 174131200. Its totient is φ = 78079464.

The previous prime is 117328847. The next prime is 117328879. The reversal of 117328851 is 158823711.

It is not a de Polignac number, because 117328851 - 2² = 117328847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117328051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12810 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (10883200).

Almost surely, 2^117328851 is an apocalyptic number.

117328851 is a deficient number, since it is larger than the sum of its proper divisors (56802349).

117328851 is an equidigital number, since it uses as much as digits as its factorization.

117328851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775 (or 7769 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 117328851 is about 10831.8443027953. The cubic root of 117328851 is about 489.5551300311. Note that the first 3 decimals are identical.

The spelling of 117328851 in words is "one hundred seventeen million, three hundred twenty-eight thousand, eight hundred fifty-one".