28725743668300 has 108 divisors (see below), whose sum is σ = 76328404851720. Its totient is φ = 9330467086080.

The previous prime is 28725743668273. The next prime is 28725743668301. The reversal of 28725743668300 is 386634752782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28725743668301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 154180497 + ... + 154366696.

Almost surely, 2^{28725743668300} is an apocalyptic number.

28725743668300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28725743668300 is an abundant number, since it is smaller than the sum of its proper divisors (47602661183420).

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

28725743668300 is a wasteful number, since it uses less digits than its factorization.

28725743668300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308547240 (or 308547226 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 28725743668300 in words is "twenty-eight trillion, seven hundred twenty-five billion, seven hundred forty-three million, six hundred sixty-eight thousand, three hundred".