87007219 has 4 divisors (see below), whose sum is σ = 93700096. Its totient is φ = 80314344.

The previous prime is 87007211. The next prime is 87007231. The reversal of 87007219 is 91270078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91270078 = 2 ⋅45635039.

It is a cyclic number.

It is not a de Polignac number, because 87007219 - 2³ = 87007211 is a prime.

It is a super-2 number, since 2×87007219² = 15140512316227922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87007211) 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, 3346419 + ... + 3346444.

It is an arithmetic number, because the mean of its divisors is an integer number (23425024).

Almost surely, 2^87007219 is an apocalyptic number.

87007219 is a deficient number, since it is larger than the sum of its proper divisors (6692877).

87007219 is a wasteful number, since it uses less digits than its factorization.

87007219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692876.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 87007219 is about 9327.7660240810. The cubic root of 87007219 is about 443.1170176667.

The spelling of 87007219 in words is "eighty-seven million, seven thousand, two hundred nineteen".