63208668 has 24 divisors (see below), whose sum is σ = 155249920. Its totient is φ = 19960560.

The previous prime is 63208643. The next prime is 63208723. The reversal of 63208668 is 86680236.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138388 + ... + 138843.

Almost surely, 2^63208668 is an apocalyptic number.

It is an amenable number.

63208668 is an abundant number, since it is smaller than the sum of its proper divisors (92041252).

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

63208668 is a wasteful number, since it uses less digits than its factorization.

63208668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277257 (or 277255 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 63208668 is about 7950.3879150643. The cubic root of 63208668 is about 398.3445498301.

The spelling of 63208668 in words is "sixty-three million, two hundred eight thousand, six hundred sixty-eight".