117380638 has 16 divisors (see below), whose sum is σ = 184459680. Its totient is φ = 55914496.

The previous prime is 117380623. The next prime is 117380647. The reversal of 117380638 is 836083711.

It is a junction number, because it is equal to n+sod(n) for n = 117380597 and 117380606.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6858 + ... + 16786.

It is an arithmetic number, because the mean of its divisors is an integer number (11528730).

Almost surely, 2^117380638 is an apocalyptic number.

117380638 is a deficient number, since it is larger than the sum of its proper divisors (67079042).

117380638 is a wasteful number, since it uses less digits than its factorization.

117380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 117380638 is about 10834.2345368743. The cubic root of 117380638 is about 489.6271465958.

The spelling of 117380638 in words is "one hundred seventeen million, three hundred eighty thousand, six hundred thirty-eight".