28033305050780 has 24 divisors (see below), whose sum is σ = 60305792818320. Its totient is φ = 10939826360960.

The previous prime is 28033305050761. The next prime is 28033305050789. The reversal of 28033305050780 is 8705050333082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28033305050789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17093477870 + ... + 17093479509.

It is an arithmetic number, because the mean of its divisors is an integer number (2512741367430).

Almost surely, 2^{28033305050780} is an apocalyptic number.

28033305050780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28033305050780 is an abundant number, since it is smaller than the sum of its proper divisors (32272487767540).

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

28033305050780 is a wasteful number, since it uses less digits than its factorization.

28033305050780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34186957429 (or 34186957427 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 28033305050780 in words is "twenty-eight trillion, thirty-three billion, three hundred five million, fifty thousand, seven hundred eighty".