83808117 has 6 divisors (see below), whose sum is σ = 121056182. Its totient is φ = 55872072.

The previous prime is 83808077. The next prime is 83808119. The reversal of 83808117 is 71180838.

It can be written as a sum of positive squares in only one way, i.e., 56340036 + 27468081 = 7506^2 + 5241^2 .

It is not a de Polignac number, because 83808117 - 2¹⁴ = 83791733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83808119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4655998 + ... + 4656015.

Almost surely, 2^83808117 is an apocalyptic number.

It is an amenable number.

83808117 is a deficient number, since it is larger than the sum of its proper divisors (37248065).

83808117 is a wasteful number, since it uses less digits than its factorization.

83808117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312019 (or 9312016 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 83808117 is about 9154.6773291034. The cubic root of 83808117 is about 437.6181854313.

The spelling of 83808117 in words is "eighty-three million, eight hundred eight thousand, one hundred seventeen".