87365216 has 24 divisors (see below), whose sum is σ = 174427344. Its totient is φ = 43066240.

The previous prime is 87365209. The next prime is 87365279. The reversal of 87365216 is 61256378.

It is a self number, because there is not a number n which added to its sum of digits gives 87365216.

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 3 ways as a sum of consecutive naturals, for example, 16955 + ... + 21498.

It is an arithmetic number, because the mean of its divisors is an integer number (7267806).

Almost surely, 2^87365216 is an apocalyptic number.

It is an amenable number.

87365216 is a deficient number, since it is larger than the sum of its proper divisors (87062128).

87365216 is a wasteful number, since it uses less digits than its factorization.

87365216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38534 (or 38526 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 87365216 is about 9346.9361825146. The cubic root of 87365216 is about 443.7239308629.

The spelling of 87365216 in words is "eighty-seven million, three hundred sixty-five thousand, two hundred sixteen".