84005575 has 6 divisors (see below), whose sum is σ = 104166944. Its totient is φ = 67204440.

The previous prime is 84005573. The next prime is 84005599. The reversal of 84005575 is 57550048.

It is not a de Polignac number, because 84005575 - 2¹ = 84005573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84005575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84005573) 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, 1680087 + ... + 1680136.

Almost surely, 2^84005575 is an apocalyptic number.

84005575 is a deficient number, since it is larger than the sum of its proper divisors (20161369).

84005575 is a wasteful number, since it uses less digits than its factorization.

84005575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360233 (or 3360228 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 84005575 is about 9165.4555260500. The cubic root of 84005575 is about 437.9616025916.

The spelling of 84005575 in words is "eighty-four million, five thousand, five hundred seventy-five".