28871731588743 has 24 divisors (see below), whose sum is σ = 44427666402288. Its totient is φ = 18004457647872.

The previous prime is 28871731588727. The next prime is 28871731588747. The reversal of 28871731588743 is 34788513717882.

28871731588743 is a `hidden beast` number, since 2 + 8 + 8 + 7 + 1 + 7 + 31 + 588 + 7 + 4 + 3 = 666.

It is not a de Polignac number, because 28871731588743 - 2⁴ = 28871731588727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28871731588747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578822080 + ... + 578871957.

It is an arithmetic number, because the mean of its divisors is an integer number (1851152766762).

Almost surely, 2^{28871731588743} is an apocalyptic number.

28871731588743 is a deficient number, since it is larger than the sum of its proper divisors (15555934813545).

28871731588743 is a wasteful number, since it uses less digits than its factorization.

28871731588743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157694223 (or 1157694220 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 72.

The spelling of 28871731588743 in words is "twenty-eight trillion, eight hundred seventy-one billion, seven hundred thirty-one million, five hundred eighty-eight thousand, seven hundred forty-three".