84745563 has 16 divisors (see below), whose sum is σ = 129292800. Its totient is φ = 48367296.

The previous prime is 84745523. The next prime is 84745571. The reversal of 84745563 is 36554748.

It is not a de Polignac number, because 84745563 - 2⁶ = 84745499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84745513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20106 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (8080800).

Almost surely, 2^84745563 is an apocalyptic number.

84745563 is a deficient number, since it is larger than the sum of its proper divisors (44547237).

84745563 is a wasteful number, since it uses less digits than its factorization.

84745563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906.

The product of its digits is 403200, while the sum is 42.

The square root of 84745563 is about 9205.7353318461. The cubic root of 84745563 is about 439.2438165266.

The spelling of 84745563 in words is "eighty-four million, seven hundred forty-five thousand, five hundred sixty-three".