63381488 has 10 divisors (see below), whose sum is σ = 122801664. Its totient is φ = 31690736.

The previous prime is 63381469. The next prime is 63381497. The reversal of 63381488 is 88418336.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980656 + ... + 1980687.

Almost surely, 2^63381488 is an apocalyptic number.

It is an amenable number.

63381488 is a deficient number, since it is larger than the sum of its proper divisors (59420176).

63381488 is a wasteful number, since it uses less digits than its factorization.

63381488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961351 (or 3961345 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 63381488 is about 7961.2491482179. The cubic root of 63381488 is about 398.7072598917.

The spelling of 63381488 in words is "sixty-three million, three hundred eighty-one thousand, four hundred eighty-eight".