87168712 has 16 divisors (see below), whose sum is σ = 170547840. Its totient is φ = 41689296.

The previous prime is 87168709. The next prime is 87168721. The reversal of 87168712 is 21786178.

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, 236688 + ... + 237055.

It is an arithmetic number, because the mean of its divisors is an integer number (10659240).

Almost surely, 2^87168712 is an apocalyptic number.

It is an amenable number.

87168712 is a deficient number, since it is larger than the sum of its proper divisors (83379128).

87168712 is a wasteful number, since it uses less digits than its factorization.

87168712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473772 (or 473768 counting only the distinct ones).

The product of its digits is 37632, while the sum is 40.

The square root of 87168712 is about 9336.4185853035. The cubic root of 87168712 is about 443.3910028559.

The spelling of 87168712 in words is "eighty-seven million, one hundred sixty-eight thousand, seven hundred twelve".