28078848 has 108 divisors (see below), whose sum is σ = 92576848. Its totient is φ = 8017920.

The previous prime is 28078847. The next prime is 28078859. The reversal of 28078848 is 84887082.

It is not an unprimeable number, because it can be changed into a prime (28078847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15258 + ... + 16998.

Almost surely, 2^28078848 is an apocalyptic number.

28078848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28078848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46288424).

28078848 is an abundant number, since it is smaller than the sum of its proper divisors (64498000).

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

28078848 is a wasteful number, since it uses less digits than its factorization.

28078848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 28078848 is about 5298.9478200865. The cubic root of 28078848 is about 303.9436645378.

The spelling of 28078848 in words is "twenty-eight million, seventy-eight thousand, eight hundred forty-eight".