87086223 has 96 divisors (see below), whose sum is σ = 163418112. Its totient is φ = 43545600.

The previous prime is 87086221. The next prime is 87086231. The reversal of 87086223 is 32268078.

It is a happy number.

It is a Cunningham number, because it is equal to 9332²-1.

It is not a de Polignac number, because 87086223 - 2¹ = 87086221 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87086221) 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 95 ways as a sum of consecutive naturals, for example, 1427613 + ... + 1427673.

It is an arithmetic number, because the mean of its divisors is an integer number (1702272).

Almost surely, 2^87086223 is an apocalyptic number.

87086223 is a deficient number, since it is larger than the sum of its proper divisors (76331889).

87086223 is a wasteful number, since it uses less digits than its factorization.

87086223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 87086223 is about 9331.9999464209. Note that the first 4 decimals coincide. The cubic root of 87086223 is about 443.2510962970.

The spelling of 87086223 in words is "eighty-seven million, eighty-six thousand, two hundred twenty-three".