117800829 has 6 divisors (see below), whose sum is σ = 170156766. Its totient is φ = 78533880.

The previous prime is 117800801. The next prime is 117800843. The reversal of 117800829 is 928008711.

It can be written as a sum of positive squares in only one way, i.e., 113998329 + 3802500 = 10677^2 + 1950^2 .

It is not a de Polignac number, because 117800829 - 2⁹ = 117800317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117800793 and 117800802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117800849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6544482 + ... + 6544499.

It is an arithmetic number, because the mean of its divisors is an integer number (28359461).

Almost surely, 2^117800829 is an apocalyptic number.

It is an amenable number.

117800829 is a deficient number, since it is larger than the sum of its proper divisors (52355937).

117800829 is a wasteful number, since it uses less digits than its factorization.

117800829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088987 (or 13088984 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 117800829 is about 10853.6090311011. The cubic root of 117800829 is about 490.2106951739.

The spelling of 117800829 in words is "one hundred seventeen million, eight hundred thousand, eight hundred twenty-nine".