28731740827300 has 108 divisors (see below), whose sum is σ = 75028058560980. Its totient is φ = 9511196916480.

The previous prime is 28731740827297. The next prime is 28731740827333. The reversal of 28731740827300 is 372804713782.

It can be written as a sum of positive squares in 6 ways, for example, as 1039139661924 + 27692601165376 = 1019382^2 + 5262376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100954807 + ... + 101239006.

It is an arithmetic number, because the mean of its divisors is an integer number (694704245935).

Almost surely, 2^{28731740827300} is an apocalyptic number.

28731740827300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28731740827300 is an abundant number, since it is smaller than the sum of its proper divisors (46296317733680).

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

28731740827300 is a wasteful number, since it uses less digits than its factorization.

28731740827300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202193870 (or 202193856 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 28731740827300 in words is "twenty-eight trillion, seven hundred thirty-one billion, seven hundred forty million, eight hundred twenty-seven thousand, three hundred".