28210830800 has 60 divisors (see below), whose sum is σ = 69962891136. Its totient is φ = 10920316800.

The previous prime is 28210830797. The next prime is 28210830833. The reversal of 28210830800 is 803801282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1125134 + ... + 1149933.

Almost surely, 2^28210830800 is an apocalyptic number.

28210830800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28210830800 is an abundant number, since it is smaller than the sum of its proper divisors (41752060336).

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

28210830800 is a wasteful number, since it uses less digits than its factorization.

28210830800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275116 (or 2275105 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 28210830800 in words is "twenty-eight billion, two hundred ten million, eight hundred thirty thousand, eight hundred".