87027187 has 4 divisors (see below), whose sum is σ = 93721600. Its totient is φ = 80332776.

The previous prime is 87027181. The next prime is 87027191. The reversal of 87027187 is 78172078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87027187 - 2¹⁵ = 86994419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87027181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347187 + ... + 3347212.

It is an arithmetic number, because the mean of its divisors is an integer number (23430400).

Almost surely, 2^87027187 is an apocalyptic number.

87027187 is a deficient number, since it is larger than the sum of its proper divisors (6694413).

87027187 is a wasteful number, since it uses less digits than its factorization.

87027187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694412.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 87027187 is about 9328.8363154254. The cubic root of 87027187 is about 443.1509132596.

The spelling of 87027187 in words is "eighty-seven million, twenty-seven thousand, one hundred eighty-seven".