117788403 has 4 divisors (see below), whose sum is σ = 157051208. Its totient is φ = 78525600.

The previous prime is 117788399. The next prime is 117788413. The reversal of 117788403 is 304887711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117788403 - 2² = 117788399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117788413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19631398 + ... + 19631403.

It is an arithmetic number, because the mean of its divisors is an integer number (39262802).

Almost surely, 2^117788403 is an apocalyptic number.

117788403 is a deficient number, since it is larger than the sum of its proper divisors (39262805).

117788403 is an equidigital number, since it uses as much as digits as its factorization.

117788403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39262804.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 117788403 is about 10853.0365796859. The cubic root of 117788403 is about 490.1934582485.

The spelling of 117788403 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, four hundred three".