87804828 has 36 divisors (see below), whose sum is σ = 222800760. Its totient is φ = 29156256.

The previous prime is 87804817. The next prime is 87804853. The reversal of 87804828 is 82840878.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 5151 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (6188910).

Almost surely, 2^87804828 is an apocalyptic number.

It is an amenable number.

87804828 is an abundant number, since it is smaller than the sum of its proper divisors (134995932).

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

87804828 is a wasteful number, since it uses less digits than its factorization.

87804828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9341 counting only the distinct ones).

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

The square root of 87804828 is about 9370.4230427447. The cubic root of 87804828 is about 444.4669424074.

The spelling of 87804828 in words is "eighty-seven million, eight hundred four thousand, eight hundred twenty-eight".