28023429604 has 9 divisors (see below), whose sum is σ = 49041587721. Its totient is φ = 14011547400.

The previous prime is 28023429587. The next prime is 28023429607. The reversal of 28023429604 is 40692432082.

The square root of 28023429604 is 167402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 27942465600 = 8998^2 + 167160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28023429607) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 292954 + ... + 376654.

Almost surely, 2^28023429604 is an apocalyptic number.

28023429604 is the 167402-nd square number.

It is an amenable number.

28023429604 is a deficient number, since it is larger than the sum of its proper divisors (21018158117).

28023429604 is an frugal number, since it uses more digits than its factorization.

28023429604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167406 (or 83703 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 28023429604 in words is "twenty-eight billion, twenty-three million, four hundred twenty-nine thousand, six hundred four".