87219 has 12 divisors (see below), whose sum is σ = 137592. Its totient is φ = 52800.

The previous prime is 87211. The next prime is 87221. The reversal of 87219 is 91278.

It is not a de Polignac number, because 87219 - 2³ = 87211 is a prime.

It is a super-2 number, since 2×87219² = 15214307922, which contains 22 as substring.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 87192 and 87201.

It is not an unprimeable number, because it can be changed into a prime (87211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2⁸⁷²¹⁹ is an apocalyptic number.

87219 is a deficient number, since it is larger than the sum of its proper divisors (50373).

87219 is a wasteful number, since it uses less digits than its factorization.

87219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 895 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 87219 is about 295.3286305118. The cubic root of 87219 is about 44.3476251182.

It can be divided in two parts, 8 and 7219, that added together give a palindrome (7227).

The spelling of 87219 in words is "eighty-seven thousand, two hundred nineteen".