63980784 has 60 divisors (see below), whose sum is σ = 204640176. Its totient is φ = 18279936.

The previous prime is 63980759. The next prime is 63980803. The reversal of 63980784 is 48708936.

It is a happy number.

63980784 is a `hidden beast` number, since 639 + 8 + 0 + 7 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30729 + ... + 32744.

Almost surely, 2^63980784 is an apocalyptic number.

It is an amenable number.

63980784 is an abundant number, since it is smaller than the sum of its proper divisors (140659392).

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

63980784 is a wasteful number, since it uses less digits than its factorization.

63980784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63494 (or 63485 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 63980784 is about 7998.7989098364. The cubic root of 63980784 is about 399.9599626593.

The spelling of 63980784 in words is "sixty-three million, nine hundred eighty thousand, seven hundred eighty-four".