28769292288 has 260 divisors, whose sum is σ = 93767029488. Its totient is φ = 8716861440.

The previous prime is 28769292283. The next prime is 28769292313. The reversal of 28769292288 is 88229296782.

28769292288 is a `hidden beast` number, since 2 + 8 + 7 + 69 + 292 + 288 = 666.

It is not an unprimeable number, because it can be changed into a prime (28769292281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3645595 + ... + 3653477.

Almost surely, 2^28769292288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28769292288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46883514744).

28769292288 is an abundant number, since it is smaller than the sum of its proper divisors (64997737200).

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

28769292288 is an equidigital number, since it uses as much as digits as its factorization.

28769292288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930 (or 7899 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 28769292288 in words is "twenty-eight billion, seven hundred sixty-nine million, two hundred ninety-two thousand, two hundred eighty-eight".