117983825 has 36 divisors (see below), whose sum is σ = 163700460. Its totient is φ = 84049920.

The previous prime is 117983819. The next prime is 117983849. The reversal of 117983825 is 528389711.

It can be written as a sum of positive squares in 6 ways, for example, as 283024 + 117700801 = 532^2 + 10849^2 .

It is not a de Polignac number, because 117983825 - 2⁴ = 117983809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153041 + ... + 153809.

It is an arithmetic number, because the mean of its divisors is an integer number (4547235).

Almost surely, 2^117983825 is an apocalyptic number.

It is an amenable number.

117983825 is a deficient number, since it is larger than the sum of its proper divisors (45716635).

117983825 is a wasteful number, since it uses less digits than its factorization.

117983825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 810 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 117983825 is about 10862.0359509624. The cubic root of 117983825 is about 490.4644007605.

The spelling of 117983825 in words is "one hundred seventeen million, nine hundred eighty-three thousand, eight hundred twenty-five".