87205112 has 32 divisors (see below), whose sum is σ = 168270480. Its totient is φ = 42351360.

The previous prime is 87205103. The next prime is 87205133. The reversal of 87205112 is 21150278.

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 7 ways as a sum of consecutive naturals, for example, 39428 + ... + 41580.

Almost surely, 2^87205112 is an apocalyptic number.

It is an amenable number.

87205112 is a deficient number, since it is larger than the sum of its proper divisors (81065368).

87205112 is a wasteful number, since it uses less digits than its factorization.

87205112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 87205112 is about 9338.3677374582. The cubic root of 87205112 is about 443.4527114902.

The spelling of 87205112 in words is "eighty-seven million, two hundred five thousand, one hundred twelve".