63828688636 has 24 divisors (see below), whose sum is σ = 116762992640. Its totient is φ = 30493897200.

The previous prime is 63828688633. The next prime is 63828688643. The reversal of 63828688636 is 63688682836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63828688633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248100 + ... + 3267691.

Almost surely, 2^63828688636 is an apocalyptic number.

It is an amenable number.

63828688636 is a deficient number, since it is larger than the sum of its proper divisors (52934304004).

63828688636 is a wasteful number, since it uses less digits than its factorization.

63828688636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515905 (or 6515903 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 64.

The spelling of 63828688636 in words is "sixty-three billion, eight hundred twenty-eight million, six hundred eighty-eight thousand, six hundred thirty-six".