87112216 has 16 divisors (see below), whose sum is σ = 172943640. Its totient is φ = 40993920.

The previous prime is 87112187. The next prime is 87112217. The reversal of 87112216 is 61221178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87112217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 320130 + ... + 320401.

Almost surely, 2^87112216 is an apocalyptic number.

It is an amenable number.

87112216 is a deficient number, since it is larger than the sum of its proper divisors (85831424).

87112216 is a wasteful number, since it uses less digits than its factorization.

87112216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640554 (or 640550 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 87112216 is about 9333.3925236218. The cubic root of 87112216 is about 443.2951915980.

The spelling of 87112216 in words is "eighty-seven million, one hundred twelve thousand, two hundred sixteen".