117879444 has 36 divisors (see below), whose sum is σ = 301053844. Its totient is φ = 38886912.

The previous prime is 117879427. The next prime is 117879449. The reversal of 117879444 is 444978711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 54199044 = 7980^2 + 7362^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 117879444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117879449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13387 + ... + 20370.

Almost surely, 2^117879444 is an apocalyptic number.

It is an amenable number.

117879444 is an abundant number, since it is smaller than the sum of its proper divisors (183174400).

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

117879444 is a wasteful number, since it uses less digits than its factorization.

117879444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33864 (or 33859 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 117879444 is about 10857.2300334846. The cubic root of 117879444 is about 490.3197191496.

The spelling of 117879444 in words is "one hundred seventeen million, eight hundred seventy-nine thousand, four hundred forty-four".