28301053280780 has 48 divisors (see below), whose sum is σ = 67923427676160. Its totient is φ = 9703089724608.

The previous prime is 28301053280749. The next prime is 28301053280783. The reversal of 28301053280780 is 8708235010382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28301053280783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9583901 + ... + 12184139.

It is an arithmetic number, because the mean of its divisors is an integer number (1415071409920).

Almost surely, 2^{28301053280780} is an apocalyptic number.

28301053280780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28301053280780 is an abundant number, since it is smaller than the sum of its proper divisors (39622374395380).

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

28301053280780 is a wasteful number, since it uses less digits than its factorization.

28301053280780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677998 (or 2677996 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 28301053280780 in words is "twenty-eight trillion, three hundred one billion, fifty-three million, two hundred eighty thousand, seven hundred eighty".