28748077033600 has 96 divisors (see below), whose sum is σ = 71053488463140. Its totient is φ = 11493279436800.

The previous prime is 28748077033561. The next prime is 28748077033661. The reversal of 28748077033600 is 633077084782.

It can be written as a sum of positive squares in 6 ways, for example, as 6731035891776 + 22017041141824 = 2594424^2 + 4692232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3861810 + ... + 8509390.

Almost surely, 2^{28748077033600} is an apocalyptic number.

28748077033600 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 28748077033600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35526744231570).

28748077033600 is an abundant number, since it is smaller than the sum of its proper divisors (42305411429540).

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

28748077033600 is a wasteful number, since it uses less digits than its factorization.

28748077033600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649538 (or 4649521 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 28748077033600 in words is "twenty-eight trillion, seven hundred forty-eight billion, seventy-seven million, thirty-three thousand, six hundred".