28288794200 has 24 divisors (see below), whose sum is σ = 65771446980. Its totient is φ = 11315517600.

The previous prime is 28288794199. The next prime is 28288794239. The reversal of 28288794200 is 249788282.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 70721786 + ... + 70722185.

Almost surely, 2^28288794200 is an apocalyptic number.

28288794200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28288794200 is an abundant number, since it is smaller than the sum of its proper divisors (37482652780).

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

28288794200 is a wasteful number, since it uses less digits than its factorization.

28288794200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141443987 (or 141443978 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 28288794200 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred ninety-four thousand, two hundred".