28757758734300 has 72 divisors (see below), whose sum is σ = 83207705671552. Its totient is φ = 7668558360000.

The previous prime is 28757758734293. The next prime is 28757758734301. The reversal of 28757758734300 is 343785775782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28757758734301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12153225 + ... + 14325375.

Almost surely, 2^{28757758734300} is an apocalyptic number.

28757758734300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28757758734300 is an abundant number, since it is smaller than the sum of its proper divisors (54449946937252).

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

28757758734300 is a wasteful number, since it uses less digits than its factorization.

28757758734300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216299 (or 2216292 counting only the distinct ones).

The product of its (nonzero) digits is 276595200, while the sum is 66.

The spelling of 28757758734300 in words is "twenty-eight trillion, seven hundred fifty-seven billion, seven hundred fifty-eight million, seven hundred thirty-four thousand, three hundred".