2398766687 has 2 divisors, whose sum is σ = 2398766688. Its totient is φ = 2398766686.

The previous prime is 2398766651. The next prime is 2398766719. The reversal of 2398766687 is 7866678932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2398766687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2398769687) 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, 1199383343 + 1199383344.

It is an arithmetic number, because the mean of its divisors is an integer number (1199383344).

Almost surely, 2^2398766687 is an apocalyptic number.

2398766687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398766687 is an equidigital number, since it uses as much as digits as its factorization.

2398766687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The square root of 2398766687 is about 48977.2057900407. The cubic root of 2398766687 is about 1338.6365218800.

The spelling of 2398766687 in words is "two billion, three hundred ninety-eight million, seven hundred sixty-six thousand, six hundred eighty-seven".