84736563 has 4 divisors (see below), whose sum is σ = 112982088. Its totient is φ = 56491040.

The previous prime is 84736543. The next prime is 84736573. The reversal of 84736563 is 36563748.

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 84736563 - 2⁶ = 84736499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84736543) 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, 14122758 + ... + 14122763.

It is an arithmetic number, because the mean of its divisors is an integer number (28245522).

Almost surely, 2^84736563 is an apocalyptic number.

84736563 is a deficient number, since it is larger than the sum of its proper divisors (28245525).

84736563 is a wasteful number, since it uses less digits than its factorization.

84736563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28245524.

The product of its digits is 362880, while the sum is 42.

The square root of 84736563 is about 9205.2464931690. The cubic root of 84736563 is about 439.2282667084.

The spelling of 84736563 in words is "eighty-four million, seven hundred thirty-six thousand, five hundred sixty-three".