84538505 has 8 divisors (see below), whose sum is σ = 106785600. Its totient is φ = 64071216.

The previous prime is 84538481. The next prime is 84538513. The reversal of 84538505 is 50583548.

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 84538505 - 2²⁰ = 83489929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444845 + ... + 445034.

It is an arithmetic number, because the mean of its divisors is an integer number (13348200).

Almost surely, 2^84538505 is an apocalyptic number.

It is an amenable number.

84538505 is a deficient number, since it is larger than the sum of its proper divisors (22247095).

84538505 is a wasteful number, since it uses less digits than its factorization.

84538505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889903.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 84538505 is about 9194.4823127787. The cubic root of 84538505 is about 438.8857914171.

The spelling of 84538505 in words is "eighty-four million, five hundred thirty-eight thousand, five hundred five".