2345780287 has 2 divisors, whose sum is σ = 2345780288. Its totient is φ = 2345780286.

The previous prime is 2345780267. The next prime is 2345780291. The reversal of 2345780287 is 7820875432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345780287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2345780267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172890143 + 1172890144.

It is an arithmetic number, because the mean of its divisors is an integer number (1172890144).

Almost surely, 2^2345780287 is an apocalyptic number.

2345780287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345780287 is an equidigital number, since it uses as much as digits as its factorization.

2345780287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 2345780287 is about 48433.2560024618. The cubic root of 2345780287 is about 1328.7066566685.

The spelling of 2345780287 in words is "two billion, three hundred forty-five million, seven hundred eighty thousand, two hundred eighty-seven".