63481847 has 16 divisors (see below), whose sum is σ = 74807712. Its totient is φ = 53109120.

The previous prime is 63481829. The next prime is 63481849. The reversal of 63481847 is 74818436.

It is a cyclic number.

It is not a de Polignac number, because 63481847 - 2⁸ = 63481591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63481849) 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 15 ways as a sum of consecutive naturals, for example, 79253 + ... + 80049.

It is an arithmetic number, because the mean of its divisors is an integer number (4675482).

Almost surely, 2^63481847 is an apocalyptic number.

63481847 is a deficient number, since it is larger than the sum of its proper divisors (11325865).

63481847 is a wasteful number, since it uses less digits than its factorization.

63481847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its digits is 129024, while the sum is 41.

The square root of 63481847 is about 7967.5496233158. The cubic root of 63481847 is about 398.9175881870.

The spelling of 63481847 in words is "sixty-three million, four hundred eighty-one thousand, eight hundred forty-seven".