63679884 has 12 divisors (see below), whose sum is σ = 148586424. Its totient is φ = 21226624.

The previous prime is 63679879. The next prime is 63679901. The reversal of 63679884 is 48897636.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653317 + ... + 2653340.

It is an arithmetic number, because the mean of its divisors is an integer number (12382202).

Almost surely, 2^63679884 is an apocalyptic number.

It is an amenable number.

63679884 is an abundant number, since it is smaller than the sum of its proper divisors (84906540).

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

63679884 is a wasteful number, since it uses less digits than its factorization.

63679884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306664 (or 5306662 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 63679884 is about 7979.9676691074. The cubic root of 63679884 is about 399.3319766497.

The spelling of 63679884 in words is "sixty-three million, six hundred seventy-nine thousand, eight hundred eighty-four".