117784704408 has 128 divisors (see below), whose sum is σ = 356639915520. Its totient is φ = 31645071360.

The previous prime is 117784704403. The next prime is 117784704437. The reversal of 117784704408 is 804407487711.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117784704403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3303798 + ... + 3339258.

It is an arithmetic number, because the mean of its divisors is an integer number (2786249340).

Almost surely, 2^117784704408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117784704408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178319957760).

117784704408 is an abundant number, since it is smaller than the sum of its proper divisors (238855211112).

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

117784704408 is a wasteful number, since it uses less digits than its factorization.

117784704408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36657 (or 36653 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The spelling of 117784704408 in words is "one hundred seventeen billion, seven hundred eighty-four million, seven hundred four thousand, four hundred eight".