117385827 has 16 divisors (see below), whose sum is σ = 168822528. Its totient is φ = 72122400.

The previous prime is 117385789. The next prime is 117385843. The reversal of 117385827 is 728583711.

It is not a de Polignac number, because 117385827 - 2⁷ = 117385699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117385897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26952 + ... + 31002.

It is an arithmetic number, because the mean of its divisors is an integer number (10551408).

Almost surely, 2^117385827 is an apocalyptic number.

117385827 is a deficient number, since it is larger than the sum of its proper divisors (51436701).

117385827 is a wasteful number, since it uses less digits than its factorization.

117385827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810.

The product of its digits is 94080, while the sum is 42.

The square root of 117385827 is about 10834.4740066143. The cubic root of 117385827 is about 489.6343614081.

The spelling of 117385827 in words is "one hundred seventeen million, three hundred eighty-five thousand, eight hundred twenty-seven".