63828080 has 20 divisors (see below), whose sum is σ = 148400472. Its totient is φ = 25531200.

The previous prime is 63828073. The next prime is 63828109. The reversal of 63828080 is 8082836.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 63828080.

It is a congruent number.

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, 398846 + ... + 399005.

Almost surely, 2^63828080 is an apocalyptic number.

It is an amenable number.

63828080 is an abundant number, since it is smaller than the sum of its proper divisors (84572392).

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

63828080 is a wasteful number, since it uses less digits than its factorization.

63828080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797864 (or 797858 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 63828080 is about 7989.2477743527. The cubic root of 63828080 is about 399.6415121455.

The spelling of 63828080 in words is "sixty-three million, eight hundred twenty-eight thousand, eighty".