8487823 has 2 divisors, whose sum is σ = 8487824. Its totient is φ = 8487822.

The previous prime is 8487821. The next prime is 8487827. The reversal of 8487823 is 3287848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8487823 - 2¹ = 8487821 is a prime.

Together with 8487821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8487821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243911 + 4243912.

It is an arithmetic number, because the mean of its divisors is an integer number (4243912).

Almost surely, 2^8487823 is an apocalyptic number.

8487823 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487823 is an equidigital number, since it uses as much as digits as its factorization.

8487823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 40.

The square root of 8487823 is about 2913.3868606829. The cubic root of 8487823 is about 203.9852530029.

The spelling of 8487823 in words is "eight million, four hundred eighty-seven thousand, eight hundred twenty-three".