84027563 has 4 divisors (see below), whose sum is σ = 84056280. Its totient is φ = 83998848.

The previous prime is 84027509. The next prime is 84027569. The reversal of 84027563 is 36572048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84027563 - 2¹⁰ = 84026539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84027569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9398 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (21014070).

Almost surely, 2^84027563 is an apocalyptic number.

84027563 is a deficient number, since it is larger than the sum of its proper divisors (28717).

84027563 is a wasteful number, since it uses less digits than its factorization.

84027563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28716.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 84027563 is about 9166.6549515077. The cubic root of 84027563 is about 437.9998106099. Note that the first 3 decimals are identical.

The spelling of 84027563 in words is "eighty-four million, twenty-seven thousand, five hundred sixty-three".