87384223 has 2 divisors, whose sum is σ = 87384224. Its totient is φ = 87384222.

The previous prime is 87384197. The next prime is 87384229. The reversal of 87384223 is 32248378.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87384223 - 2¹⁷ = 87253151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87384229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43692111 + 43692112.

It is an arithmetic number, because the mean of its divisors is an integer number (43692112).

Almost surely, 2^87384223 is an apocalyptic number.

87384223 is a deficient number, since it is larger than the sum of its proper divisors (1).

87384223 is an equidigital number, since it uses as much as digits as its factorization.

87384223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 87384223 is about 9347.9528775021. The cubic root of 87384223 is about 443.7561070905.

The spelling of 87384223 in words is "eighty-seven million, three hundred eighty-four thousand, two hundred twenty-three".