63475327487 has 32 divisors (see below), whose sum is σ = 75762086400. Its totient is φ = 52419024000.

The previous prime is 63475327483. The next prime is 63475327507. The reversal of 63475327487 is 78472357436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63475327487 - 2² = 63475327483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63475327483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5791889 + ... + 5802837.

It is an arithmetic number, because the mean of its divisors is an integer number (2367565200).

Almost surely, 2^63475327487 is an apocalyptic number.

63475327487 is a deficient number, since it is larger than the sum of its proper divisors (12286758913).

63475327487 is a wasteful number, since it uses less digits than its factorization.

63475327487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615.

The product of its digits is 23708160, while the sum is 56.

The spelling of 63475327487 in words is "sixty-three billion, four hundred seventy-five million, three hundred twenty-seven thousand, four hundred eighty-seven".