28883630636 has 48 divisors (see below), whose sum is σ = 59786513472. Its totient is φ = 11952230400.

The previous prime is 28883630609. The next prime is 28883630669. The reversal of 28883630636 is 63603638882.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18335 + ... + 241046.

It is an arithmetic number, because the mean of its divisors is an integer number (1245552364).

Almost surely, 2^28883630636 is an apocalyptic number.

It is an amenable number.

28883630636 is an abundant number, since it is smaller than the sum of its proper divisors (30902882836).

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

28883630636 is a wasteful number, since it uses less digits than its factorization.

28883630636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259530 (or 259528 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 28883630636 in words is "twenty-eight billion, eight hundred eighty-three million, six hundred thirty thousand, six hundred thirty-six".