117081774 has 56 divisors (see below), whose sum is σ = 265756392. Its totient is φ = 38666160.

The previous prime is 117081751. The next prime is 117081779. The reversal of 117081774 is 477180711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117081779) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 190692 + ... + 191304.

Almost surely, 2^117081774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117081774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132878196).

117081774 is an abundant number, since it is smaller than the sum of its proper divisors (148674618).

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

117081774 is an equidigital number, since it uses as much as digits as its factorization.

117081774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

The square root of 117081774 is about 10820.4331706268. The cubic root of 117081774 is about 489.2112452501.

It can be divided in two parts, 117081 and 774, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 117081774 in words is "one hundred seventeen million, eighty-one thousand, seven hundred seventy-four".