28828110636 has 72 divisors (see below), whose sum is σ = 79647901424. Its totient is φ = 8737787520.

The previous prime is 28828110629. The next prime is 28828110637. The reversal of 28828110636 is 63601182882.

28828110636 is a `hidden beast` number, since 2 + 8 + 8 + 2 + 8 + 1 + 1 + 0 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28828110591 and 28828110600.

It is not an unprimeable number, because it can be changed into a prime (28828110637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428335 + ... + 491046.

Almost surely, 2^28828110636 is an apocalyptic number.

28828110636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28828110636 is an abundant number, since it is smaller than the sum of its proper divisors (50819790788).

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

28828110636 is a wasteful number, since it uses less digits than its factorization.

28828110636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919471 (or 919466 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 28828110636 in words is "twenty-eight billion, eight hundred twenty-eight million, one hundred ten thousand, six hundred thirty-six".