87184012 has 12 divisors (see below), whose sum is σ = 152638416. Its totient is φ = 43573040.

The previous prime is 87184003. The next prime is 87184043. The reversal of 87184012 is 21048178.

It is a super-2 number, since 2×87184012² = 15202103896832288, which contains 22 as substring.

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, 12858 + ... + 18430.

It is an arithmetic number, because the mean of its divisors is an integer number (12719868).

Almost surely, 2^87184012 is an apocalyptic number.

It is an amenable number.

87184012 is a deficient number, since it is larger than the sum of its proper divisors (65454404).

87184012 is a wasteful number, since it uses less digits than its factorization.

87184012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9486 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 87184012 is about 9337.2379213555. The cubic root of 87184012 is about 443.4169429183.

The spelling of 87184012 in words is "eighty-seven million, one hundred eighty-four thousand, twelve".