63547988 has 48 divisors (see below), whose sum is σ = 134072064. Its totient is φ = 25766400.

The previous prime is 63547987. The next prime is 63547997. The reversal of 63547988 is 88974536.

63547988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63547987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64556 + ... + 65532.

It is an arithmetic number, because the mean of its divisors is an integer number (2793168).

Almost surely, 2^63547988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63547988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67036032).

63547988 is an abundant number, since it is smaller than the sum of its proper divisors (70524076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63547988 is a wasteful number, since it uses less digits than its factorization.

63547988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 63547988 is about 7971.6991915149. The cubic root of 63547988 is about 399.0560826355.

The spelling of 63547988 in words is "sixty-three million, five hundred forty-seven thousand, nine hundred eighty-eight".