87867323 has 2 divisors, whose sum is σ = 87867324. Its totient is φ = 87867322.

The previous prime is 87867317. The next prime is 87867347. The reversal of 87867323 is 32376878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87867323 - 2⁶ = 87867259 is a prime.

It is not a weakly prime, because it can be changed into another prime (87867313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43933661 + 43933662.

It is an arithmetic number, because the mean of its divisors is an integer number (43933662).

Almost surely, 2^87867323 is an apocalyptic number.

87867323 is a deficient number, since it is larger than the sum of its proper divisors (1).

87867323 is an equidigital number, since it uses as much as digits as its factorization.

87867323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 87867323 is about 9373.7571442832. The cubic root of 87867323 is about 444.5723670358.

The spelling of 87867323 in words is "eighty-seven million, eight hundred sixty-seven thousand, three hundred twenty-three".