87880216 has 16 divisors (see below), whose sum is σ = 164984400. Its totient is φ = 43884384.

The previous prime is 87880207. The next prime is 87880223. The reversal of 87880216 is 61208878.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 166 + ... + 13258.

It is an arithmetic number, because the mean of its divisors is an integer number (10311525).

Almost surely, 2^87880216 is an apocalyptic number.

It is an amenable number.

87880216 is a deficient number, since it is larger than the sum of its proper divisors (77104184).

87880216 is a wasteful number, since it uses less digits than its factorization.

87880216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 13934 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 87880216 is about 9374.4448368957. Note that the first 3 decimals coincide. The cubic root of 87880216 is about 444.5941103909.

The spelling of 87880216 in words is "eighty-seven million, eight hundred eighty thousand, two hundred sixteen".