2087687243 has 2 divisors, whose sum is σ = 2087687244. Its totient is φ = 2087687242.

The previous prime is 2087687233. The next prime is 2087687249. The reversal of 2087687243 is 3427867802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2087687243 - 2¹⁴ = 2087670859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2087687249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043843621 + 1043843622.

It is an arithmetic number, because the mean of its divisors is an integer number (1043843622).

Almost surely, 2^2087687243 is an apocalyptic number.

2087687243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087687243 is an equidigital number, since it uses as much as digits as its factorization.

2087687243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 2087687243 is about 45691.2162565192. The cubic root of 2087687243 is about 1278.0714861198.

The spelling of 2087687243 in words is "two billion, eighty-seven million, six hundred eighty-seven thousand, two hundred forty-three".