87884856 has 24 divisors (see below), whose sum is σ = 238021680. Its totient is φ = 29294928.

The previous prime is 87884843. The next prime is 87884891. The reversal of 87884856 is 65848878.

87884856 is a `hidden beast` number, since 87 + 88 + 485 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610240 + ... + 610383.

It is an arithmetic number, because the mean of its divisors is an integer number (9917570).

Almost surely, 2^87884856 is an apocalyptic number.

It is an amenable number.

87884856 is an abundant number, since it is smaller than the sum of its proper divisors (150136824).

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

87884856 is a wasteful number, since it uses less digits than its factorization.

87884856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220635 (or 1220628 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 87884856 is about 9374.6923149509. The cubic root of 87884856 is about 444.6019349823.

It can be divided in two parts, 8 and 7884856, that added together give a square (7884864 = 2808²).

The spelling of 87884856 in words is "eighty-seven million, eight hundred eighty-four thousand, eight hundred fifty-six".