87804456 has 64 divisors (see below), whose sum is σ = 233513280. Its totient is φ = 27417600.

The previous prime is 87804443. The next prime is 87804461. The reversal of 87804456 is 65440878.

It is an unprimeable number.

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, 124906 + ... + 125606.

It is an arithmetic number, because the mean of its divisors is an integer number (3648645).

Almost surely, 2^87804456 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 87804456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116756640).

87804456 is an abundant number, since it is smaller than the sum of its proper divisors (145708824).

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

87804456 is a wasteful number, since it uses less digits than its factorization.

87804456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 87804456 is about 9370.4031930328. The cubic root of 87804456 is about 444.4663147201.

The spelling of 87804456 in words is "eighty-seven million, eight hundred four thousand, four hundred fifty-six".