63808144 has 15 divisors (see below), whose sum is σ = 123690217. Its totient is φ = 31888096.

The previous prime is 63808139. The next prime is 63808153. The reversal of 63808144 is 44180836.

The square root of 63808144 is 7988.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 62220544 = 1260^2 + 7888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30954 + ... + 32950.

Almost surely, 2^63808144 is an apocalyptic number.

63808144 is the 7988-th square number.

It is an amenable number.

63808144 is a deficient number, since it is larger than the sum of its proper divisors (59882073).

63808144 is an frugal number, since it uses more digits than its factorization.

63808144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The cubic root of 63808144 is about 399.5998999333.

The spelling of 63808144 in words is "sixty-three million, eight hundred eight thousand, one hundred forty-four".