63881088 has 32 divisors (see below), whose sum is σ = 169685160. Its totient is φ = 21293568.

The previous prime is 63881071. The next prime is 63881089. The reversal of 63881088 is 88018836.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63881089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82795 + ... + 83562.

Almost surely, 2^63881088 is an apocalyptic number.

It is an amenable number.

63881088 is an abundant number, since it is smaller than the sum of its proper divisors (105804072).

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

63881088 is a wasteful number, since it uses less digits than its factorization.

63881088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166374 (or 166362 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 63881088 is about 7992.5645446252. The cubic root of 63881088 is about 399.7521130786.

The spelling of 63881088 in words is "sixty-three million, eight hundred eighty-one thousand, eighty-eight".