28789288298782 has 32 divisors (see below), whose sum is σ = 47550580070400. Its totient is φ = 12963629426400.

The previous prime is 28789288298737. The next prime is 28789288298783.

28789288298782 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 28789288298693 and 28789288298702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28789288298783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12146907 + ... + 14322217.

It is an arithmetic number, because the mean of its divisors is an integer number (1485955627200).

Almost surely, 2^{28789288298782} is an apocalyptic number.

28789288298782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28789288298782 is a deficient number, since it is larger than the sum of its proper divisors (18761291771618).

28789288298782 is a wasteful number, since it uses less digits than its factorization.

28789288298782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180952.

The product of its digits is 16647192576, while the sum is 88.

The spelling of 28789288298782 in words is "twenty-eight trillion, seven hundred eighty-nine billion, two hundred eighty-eight million, two hundred ninety-eight thousand, seven hundred eighty-two".