117783390 has 16 divisors (see below), whose sum is σ = 282680208. Its totient is φ = 31408896.

The previous prime is 117783389. The next prime is 117783409. The reversal of 117783390 is 93387711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963027 + ... + 1963086.

It is an arithmetic number, because the mean of its divisors is an integer number (17667513).

Almost surely, 2^117783390 is an apocalyptic number.

117783390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117783390 is an abundant number, since it is smaller than the sum of its proper divisors (164896818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117783390 is a wasteful number, since it uses less digits than its factorization.

117783390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926123.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 117783390 is about 10852.8056280392. The cubic root of 117783390 is about 490.1865040419.

The spelling of 117783390 in words is "one hundred seventeen million, seven hundred eighty-three thousand, three hundred ninety".