28083711834 has 48 divisors (see below), whose sum is σ = 61101312480. Its totient is φ = 9322356960.

The previous prime is 28083711829. The next prime is 28083711869. The reversal of 28083711834 is 43811738082.

It is a self number, because there is not a number n which added to its sum of digits gives 28083711834.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4687789 + ... + 4693775.

It is an arithmetic number, because the mean of its divisors is an integer number (1272944010).

Almost surely, 2^28083711834 is an apocalyptic number.

28083711834 is an abundant number, since it is smaller than the sum of its proper divisors (33017600646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28083711834 is a wasteful number, since it uses less digits than its factorization.

28083711834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 28083711834 in words is "twenty-eight billion, eighty-three million, seven hundred eleven thousand, eight hundred thirty-four".