87005223 has 6 divisors (see below), whose sum is σ = 125674224. Its totient is φ = 58003476.

The previous prime is 87005207. The next prime is 87005227. The reversal of 87005223 is 32250078.

It is not a de Polignac number, because 87005223 - 2⁴ = 87005207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87005227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4833615 + ... + 4833632.

It is an arithmetic number, because the mean of its divisors is an integer number (20945704).

Almost surely, 2^87005223 is an apocalyptic number.

87005223 is a deficient number, since it is larger than the sum of its proper divisors (38669001).

87005223 is a wasteful number, since it uses less digits than its factorization.

87005223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667253 (or 9667250 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 87005223 is about 9327.6590310753. The cubic root of 87005223 is about 443.1136291803.

The spelling of 87005223 in words is "eighty-seven million, five thousand, two hundred twenty-three".