28112345834 has 16 divisors (see below), whose sum is σ = 44681425416. Its totient is φ = 13219737600.

The previous prime is 28112345827. The next prime is 28112345879. The reversal of 28112345834 is 43854321182.

It can be written as a sum of positive squares in 4 ways, for example, as 28021086025 + 91259809 = 167395^2 + 9553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28112345791 and 28112345800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252407 + ... + 346314.

Almost surely, 2^28112345834 is an apocalyptic number.

28112345834 is a deficient number, since it is larger than the sum of its proper divisors (16569079582).

28112345834 is a wasteful number, since it uses less digits than its factorization.

28112345834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600121.

The product of its digits is 184320, while the sum is 41.

The spelling of 28112345834 in words is "twenty-eight billion, one hundred twelve million, three hundred forty-five thousand, eight hundred thirty-four".