28728744314300 has 72 divisors (see below), whose sum is σ = 62476644988800. Its totient is φ = 11466567166720.

The previous prime is 28728744314251. The next prime is 28728744314351. The reversal of 28728744314300 is 341344782782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076251754 + ... + 1076278446.

It is an arithmetic number, because the mean of its divisors is an integer number (867731180400).

Almost surely, 2^{28728744314300} is an apocalyptic number.

28728744314300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28728744314300 is an abundant number, since it is smaller than the sum of its proper divisors (33747900674500).

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

28728744314300 is a wasteful number, since it uses less digits than its factorization.

28728744314300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49655 (or 49648 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 28728744314300 in words is "twenty-eight trillion, seven hundred twenty-eight billion, seven hundred forty-four million, three hundred fourteen thousand, three hundred".