87168612 has 24 divisors (see below), whose sum is σ = 203630112. Its totient is φ = 29022400.

The previous prime is 87168607. The next prime is 87168619. The reversal of 87168612 is 21686178.

It is not an unprimeable number, because it can be changed into a prime (87168619) 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 7 ways as a sum of consecutive naturals, for example, 7912 + ... + 15392.

It is an arithmetic number, because the mean of its divisors is an integer number (8484588).

Almost surely, 2^87168612 is an apocalyptic number.

It is an amenable number.

87168612 is an abundant number, since it is smaller than the sum of its proper divisors (116461500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87168612 is a wasteful number, since it uses less digits than its factorization.

87168612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459 (or 8457 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 87168612 is about 9336.4132299294. The cubic root of 87168612 is about 443.3908333030.

The spelling of 87168612 in words is "eighty-seven million, one hundred sixty-eight thousand, six hundred twelve".