28758056060560 has 80 divisors (see below), whose sum is σ = 69045132828672. Its totient is φ = 11127989721600.

The previous prime is 28758056060549. The next prime is 28758056060561. The reversal of 28758056060560 is 6506065085782.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 28758056060495 and 28758056060504.

It is not an unprimeable number, because it can be changed into a prime (28758056060561) 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, 4473105 + ... + 8804815.

Almost surely, 2^{28758056060560} is an apocalyptic number.

28758056060560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28758056060560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34522566414336).

28758056060560 is an abundant number, since it is smaller than the sum of its proper divisors (40287076768112).

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

28758056060560 is a wasteful number, since it uses less digits than its factorization.

28758056060560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334432 (or 4334426 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 28758056060560 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, five hundred sixty".