84508117 has 8 divisors (see below), whose sum is σ = 88531200. Its totient is φ = 80559024.

The previous prime is 84508097. The next prime is 84508121. The reversal of 84508117 is 71180548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84508117 - 2¹¹ = 84506069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84508147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16153 + ... + 20734.

It is an arithmetic number, because the mean of its divisors is an integer number (11066400).

Almost surely, 2^84508117 is an apocalyptic number.

It is an amenable number.

84508117 is a deficient number, since it is larger than the sum of its proper divisors (4023083).

84508117 is a wasteful number, since it uses less digits than its factorization.

84508117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36995.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 84508117 is about 9192.8296514185. The cubic root of 84508117 is about 438.8331981845.

The spelling of 84508117 in words is "eighty-four million, five hundred eight thousand, one hundred seventeen".