87922216 has 16 divisors (see below), whose sum is σ = 166059540. Its totient is φ = 43639680.

The previous prime is 87922199. The next prime is 87922243. The reversal of 87922216 is 61222978.

It can be written as a sum of positive squares in 2 ways, for example, as 87796900 + 125316 = 9370^2 + 354^2 .

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, 39015 + ... + 41206.

Almost surely, 2^87922216 is an apocalyptic number.

It is an amenable number.

87922216 is a deficient number, since it is larger than the sum of its proper divisors (78137324).

87922216 is a wasteful number, since it uses less digits than its factorization.

87922216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80364 (or 80360 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 87922216 is about 9376.6847019616. The cubic root of 87922216 is about 444.6649264006.

The spelling of 87922216 in words is "eighty-seven million, nine hundred twenty-two thousand, two hundred sixteen".