28537547863 has 12 divisors (see below), whose sum is σ = 31372651800. Its totient is φ = 25939144880.

The previous prime is 28537547839. The next prime is 28537547867. The reversal of 28537547863 is 36874573582.

It is not a de Polignac number, because 28537547863 - 2⁹ = 28537547351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28537547798 and 28537547807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28537547867) 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 11 ways as a sum of consecutive naturals, for example, 971313 + ... + 1000261.

It is an arithmetic number, because the mean of its divisors is an integer number (2614387650).

Almost surely, 2^28537547863 is an apocalyptic number.

28537547863 is a deficient number, since it is larger than the sum of its proper divisors (2835103937).

28537547863 is a wasteful number, since it uses less digits than its factorization.

28537547863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37118 (or 37107 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 58.

The spelling of 28537547863 in words is "twenty-eight billion, five hundred thirty-seven million, five hundred forty-seven thousand, eight hundred sixty-three".