87366189 has 8 divisors (see below), whose sum is σ = 116599392. Its totient is φ = 58188560.

The previous prime is 87366143. The next prime is 87366193. The reversal of 87366189 is 98166378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87366189 - 2¹³ = 87357997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87366119) by changing a digit.

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, 10074 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (14574924).

Almost surely, 2^87366189 is an apocalyptic number.

It is an amenable number.

87366189 is a deficient number, since it is larger than the sum of its proper divisors (29233203).

87366189 is a wasteful number, since it uses less digits than its factorization.

87366189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787.

The product of its digits is 435456, while the sum is 48.

The square root of 87366189 is about 9346.9882315107. The cubic root of 87366189 is about 443.7255781309.

The spelling of 87366189 in words is "eighty-seven million, three hundred sixty-six thousand, one hundred eighty-nine".