28852776 has 48 divisors (see below), whose sum is σ = 79627860. Its totient is φ = 9434880.

The previous prime is 28852763. The next prime is 28852801. The reversal of 28852776 is 67725882.

It can be written as a sum of positive squares in 2 ways, for example, as 28836900 + 15876 = 5370^2 + 126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36 + ... + 7596.

Almost surely, 2^28852776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28852776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39813930).

28852776 is an abundant number, since it is smaller than the sum of its proper divisors (50775084).

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

28852776 is a wasteful number, since it uses less digits than its factorization.

28852776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626 (or 7619 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 28852776 is about 5371.4780088910. The cubic root of 28852776 is about 306.7108936424.

The spelling of 28852776 in words is "twenty-eight million, eight hundred fifty-two thousand, seven hundred seventy-six".