28717300001744 has 10 divisors (see below), whose sum is σ = 55639768753410. Its totient is φ = 14358650000864.

The previous prime is 28717300001707. The next prime is 28717300001749. The reversal of 28717300001744 is 44710000371782.

It can be written as a sum of positive squares in only one way, i.e., 17042695758400 + 11674604243344 = 4128280^2 + 3416812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28717300001695 and 28717300001704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28717300001749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897415625039 + ... + 897415625070.

It is an arithmetic number, because the mean of its divisors is an integer number (5563976875341).

Almost surely, 2^{28717300001744} is an apocalyptic number.

It is an amenable number.

28717300001744 is a deficient number, since it is larger than the sum of its proper divisors (26922468751666).

28717300001744 is a wasteful number, since it uses less digits than its factorization.

28717300001744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794831250117 (or 1794831250111 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 28717300001744 in words is "twenty-eight trillion, seven hundred seventeen billion, three hundred million, one thousand, seven hundred forty-four".