28734843782 has 32 divisors (see below), whose sum is σ = 45149197824. Its totient is φ = 13690036800.

The previous prime is 28734843769. The next prime is 28734843803.

28734843782 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 21751682 + ... + 21753002.

It is an arithmetic number, because the mean of its divisors is an integer number (1410912432).

Almost surely, 2^28734843782 is an apocalyptic number.

28734843782 is a deficient number, since it is larger than the sum of its proper divisors (16414354042).

28734843782 is a wasteful number, since it uses less digits than its factorization.

28734843782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its digits is 14450688, while the sum is 56.

The spelling of 28734843782 in words is "twenty-eight billion, seven hundred thirty-four million, eight hundred forty-three thousand, seven hundred eighty-two".