28078852 has 12 divisors (see below), whose sum is σ = 49321216. Its totient is φ = 13987080.

The previous prime is 28078847. The next prime is 28078859. The reversal of 28078852 is 25887082.

It is not an unprimeable number, because it can be changed into a prime (28078859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868 + ... + 14035.

Almost surely, 2^28078852 is an apocalyptic number.

It is an amenable number.

28078852 is a deficient number, since it is larger than the sum of its proper divisors (21242364).

28078852 is a wasteful number, since it uses less digits than its factorization.

28078852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26178 (or 26176 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 28078852 is about 5298.9481975200. The cubic root of 28078852 is about 303.9436789707.

The spelling of 28078852 in words is "twenty-eight million, seventy-eight thousand, eight hundred fifty-two".