63687952 has 20 divisors (see below), whose sum is σ = 126731596. Its totient is φ = 30983040.

The previous prime is 63687947. The next prime is 63687959. The reversal of 63687952 is 25978636.

63687952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48664576 + 15023376 = 6976^2 + 3876^2 .

It is not an unprimeable number, because it can be changed into a prime (63687959) 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 3 ways as a sum of consecutive naturals, for example, 53199 + ... + 54382.

Almost surely, 2^63687952 is an apocalyptic number.

It is an amenable number.

63687952 is a deficient number, since it is larger than the sum of its proper divisors (63043644).

63687952 is a wasteful number, since it uses less digits than its factorization.

63687952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107626 (or 107620 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 63687952 is about 7980.4731689293. The cubic root of 63687952 is about 399.3488405536.

It can be divided in two parts, 636 and 87952, that added together give a palindrome (88588).

The spelling of 63687952 in words is "sixty-three million, six hundred eighty-seven thousand, nine hundred fifty-two".