104287563 has 12 divisors (see below), whose sum is σ = 151563880. Its totient is φ = 69097536.

The previous prime is 104287541. The next prime is 104287597. The reversal of 104287563 is 365782401.

104287563 is a `hidden beast` number, since 10 + 4 + 2 + 87 + 563 = 666.

It is not a de Polignac number, because 104287563 - 2⁶ = 104287499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104287763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34078 + ... + 37011.

Almost surely, 2^104287563 is an apocalyptic number.

104287563 is a deficient number, since it is larger than the sum of its proper divisors (47276317).

104287563 is a wasteful number, since it uses less digits than its factorization.

104287563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71258 (or 71255 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 104287563 is about 10212.1282306873. The cubic root of 104287563 is about 470.6999725535.

The spelling of 104287563 in words is "one hundred four million, two hundred eighty-seven thousand, five hundred sixty-three".