84004663563 has 12 divisors (see below), whose sum is σ = 123396681720. Its totient is φ = 55053903456.

The previous prime is 84004663541. The next prime is 84004663579. The reversal of 84004663563 is 36536640048.

84004663563 is a `hidden beast` number, since 8 + 4 + 0 + 0 + 4 + 6 + 635 + 6 + 3 = 666.

It is not a de Polignac number, because 84004663563 - 2⁵ = 84004663531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84004663163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79099906 + ... + 79100967.

It is an arithmetic number, because the mean of its divisors is an integer number (10283056810).

Almost surely, 2^84004663563 is an apocalyptic number.

84004663563 is a deficient number, since it is larger than the sum of its proper divisors (39392018157).

84004663563 is a wasteful number, since it uses less digits than its factorization.

84004663563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158200938 (or 158200935 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 84004663563 in words is "eighty-four billion, four million, six hundred sixty-three thousand, five hundred sixty-three".