28528284256713 has 32 divisors (see below), whose sum is σ = 42338337033600. Its totient is φ = 18985473759168.

The previous prime is 28528284256687. The next prime is 28528284256721. The reversal of 28528284256713 is 31765248282582.

28528284256713 is a `hidden beast` number, since 2 + 8 + 5 + 2 + 8 + 28 + 42 + 567 + 1 + 3 = 666.

It is not a de Polignac number, because 28528284256713 - 2⁶ = 28528284256649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28528284256513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79460118 + ... + 79818336.

It is an arithmetic number, because the mean of its divisors is an integer number (1323073032300).

Almost surely, 2^{28528284256713} is an apocalyptic number.

It is an amenable number.

28528284256713 is a deficient number, since it is larger than the sum of its proper divisors (13810052776887).

28528284256713 is a wasteful number, since it uses less digits than its factorization.

28528284256713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363398 (or 363392 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 63.

The spelling of 28528284256713 in words is "twenty-eight trillion, five hundred twenty-eight billion, two hundred eighty-four million, two hundred fifty-six thousand, seven hundred thirteen".