63104447 has 4 divisors (see below), whose sum is σ = 72119376. Its totient is φ = 54089520.

The previous prime is 63104443. The next prime is 63104449. The reversal of 63104447 is 74440136.

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 63104447 - 2² = 63104443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63104443) 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 3 ways as a sum of consecutive naturals, for example, 4507454 + ... + 4507467.

It is an arithmetic number, because the mean of its divisors is an integer number (18029844).

Almost surely, 2^63104447 is an apocalyptic number.

63104447 is a deficient number, since it is larger than the sum of its proper divisors (9014929).

63104447 is an equidigital number, since it uses as much as digits as its factorization.

63104447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014928.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 63104447 is about 7943.8307509664. The cubic root of 63104447 is about 398.1254938723.

The spelling of 63104447 in words is "sixty-three million, one hundred four thousand, four hundred forty-seven".