28107715043 has 16 divisors (see below), whose sum is σ = 28417672800. Its totient is φ = 27800133120.

The previous prime is 28107715021. The next prime is 28107715049. The reversal of 28107715043 is 34051770182.

It is a cyclic number.

It is not a de Polignac number, because 28107715043 - 2²⁴ = 28090937827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28107714988 and 28107715006.

It is not an unprimeable number, because it can be changed into a prime (28107715049) 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, 33905153 + ... + 33905981.

It is an arithmetic number, because the mean of its divisors is an integer number (1776104550).

Almost surely, 2^28107715043 is an apocalyptic number.

28107715043 is a deficient number, since it is larger than the sum of its proper divisors (309957757).

28107715043 is a wasteful number, since it uses less digits than its factorization.

28107715043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 28107715043 in words is "twenty-eight billion, one hundred seven million, seven hundred fifteen thousand, forty-three".