87384827 has 2 divisors, whose sum is σ = 87384828. Its totient is φ = 87384826.

The previous prime is 87384793. The next prime is 87384833. The reversal of 87384827 is 72848378.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87384827 - 2¹⁸ = 87122683 is a prime.

It is a super-2 number, since 2×87384827² = 15272215979639858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87384727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43692413 + 43692414.

It is an arithmetic number, because the mean of its divisors is an integer number (43692414).

Almost surely, 2^87384827 is an apocalyptic number.

87384827 is a deficient number, since it is larger than the sum of its proper divisors (1).

87384827 is an equidigital number, since it uses as much as digits as its factorization.

87384827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 47.

The square root of 87384827 is about 9347.9851839848. The cubic root of 87384827 is about 443.7571295026.

The spelling of 87384827 in words is "eighty-seven million, three hundred eighty-four thousand, eight hundred twenty-seven".