87166384 has 10 divisors (see below), whose sum is σ = 168884900. Its totient is φ = 43583184.

The previous prime is 87166363. The next prime is 87166403. The reversal of 87166384 is 48366178.

It is a super-3 number, since 3×87166384³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87166384.

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 as a sum of consecutive naturals, namely, 2723934 + ... + 2723965.

It is an arithmetic number, because the mean of its divisors is an integer number (16888490).

Almost surely, 2^87166384 is an apocalyptic number.

It is an amenable number.

87166384 is a deficient number, since it is larger than the sum of its proper divisors (81718516).

87166384 is a wasteful number, since it uses less digits than its factorization.

87166384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447907 (or 5447901 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 87166384 is about 9336.2939113976. The cubic root of 87166384 is about 443.3870556313.

The spelling of 87166384 in words is "eighty-seven million, one hundred sixty-six thousand, three hundred eighty-four".