28545642759 has 16 divisors (see below), whose sum is σ = 38285452800. Its totient is φ = 18918298080.

The previous prime is 28545642743. The next prime is 28545642767. The reversal of 28545642759 is 95724654582.

It is not a de Polignac number, because 28545642759 - 2⁴ = 28545642743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28545642699 and 28545642708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545442759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 684814 + ... + 725300.

It is an arithmetic number, because the mean of its divisors is an integer number (2392840800).

Almost surely, 2^28545642759 is an apocalyptic number.

28545642759 is a deficient number, since it is larger than the sum of its proper divisors (9739810041).

28545642759 is a wasteful number, since it uses less digits than its factorization.

28545642759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41870.

The product of its digits is 24192000, while the sum is 57.

The spelling of 28545642759 in words is "twenty-eight billion, five hundred forty-five million, six hundred forty-two thousand, seven hundred fifty-nine".