87223183 has 2 divisors, whose sum is σ = 87223184. Its totient is φ = 87223182.

The previous prime is 87223163. The next prime is 87223207. The reversal of 87223183 is 38132278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87223183 - 2⁵ = 87223151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87223133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43611591 + 43611592.

It is an arithmetic number, because the mean of its divisors is an integer number (43611592).

Almost surely, 2^87223183 is an apocalyptic number.

87223183 is a deficient number, since it is larger than the sum of its proper divisors (1).

87223183 is an equidigital number, since it uses as much as digits as its factorization.

87223183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 87223183 is about 9339.3352547170. The cubic root of 87223183 is about 443.4833407362.

The spelling of 87223183 in words is "eighty-seven million, two hundred twenty-three thousand, one hundred eighty-three".