63678952 has 8 divisors (see below), whose sum is σ = 119398050. Its totient is φ = 31839472.

The previous prime is 63678949. The next prime is 63678959. The reversal of 63678952 is 25987636.

It can be written as a sum of positive squares in only one way, i.e., 62821476 + 857476 = 7926^2 + 926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (63678959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3979927 + ... + 3979942.

Almost surely, 2^63678952 is an apocalyptic number.

It is an amenable number.

63678952 is a deficient number, since it is larger than the sum of its proper divisors (55719098).

63678952 is a wasteful number, since it uses less digits than its factorization.

63678952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959875 (or 7959871 counting only the distinct ones).

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

The square root of 63678952 is about 7979.9092726672. The cubic root of 63678952 is about 399.3300284719.

The spelling of 63678952 in words is "sixty-three million, six hundred seventy-eight thousand, nine hundred fifty-two".