87804228 has 48 divisors (see below), whose sum is σ = 213212160. Its totient is φ = 28089600.

The previous prime is 87804221. The next prime is 87804229. The reversal of 87804228 is 82240878.

It is not an unprimeable number, because it can be changed into a prime (87804221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65808 + ... + 67128.

It is an arithmetic number, because the mean of its divisors is an integer number (4441920).

Almost surely, 2^87804228 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 87804228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106606080).

87804228 is an abundant number, since it is smaller than the sum of its proper divisors (125407932).

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

87804228 is a wasteful number, since it uses less digits than its factorization.

87804228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 87804228 is about 9370.3910270596. The cubic root of 87804228 is about 444.4659300076.

The spelling of 87804228 in words is "eighty-seven million, eight hundred four thousand, two hundred twenty-eight".