87604243 has 2 divisors, whose sum is σ = 87604244. Its totient is φ = 87604242.

The previous prime is 87604241. The next prime is 87604303. The reversal of 87604243 is 34240678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87604243 - 2¹ = 87604241 is a prime.

Together with 87604241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 87604199 and 87604208.

It is not a weakly prime, because it can be changed into another prime (87604241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43802121 + 43802122.

It is an arithmetic number, because the mean of its divisors is an integer number (43802122).

Almost surely, 2^87604243 is an apocalyptic number.

87604243 is a deficient number, since it is larger than the sum of its proper divisors (1).

87604243 is an equidigital number, since it uses as much as digits as its factorization.

87604243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 87604243 is about 9359.7138310955. The cubic root of 87604243 is about 444.1282314331.

The spelling of 87604243 in words is "eighty-seven million, six hundred four thousand, two hundred forty-three".