345984425287 has 2 divisors, whose sum is σ = 345984425288. Its totient is φ = 345984425286.

The previous prime is 345984425261. The next prime is 345984425417. The reversal of 345984425287 is 782524489543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345984425287 - 2³¹ = 343836941639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345984425587) 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, 172992212643 + 172992212644.

It is an arithmetic number, because the mean of its divisors is an integer number (172992212644).

Almost surely, 2^345984425287 is an apocalyptic number.

345984425287 is a deficient number, since it is larger than the sum of its proper divisors (1).

345984425287 is an equidigital number, since it uses as much as digits as its factorization.

345984425287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77414400, while the sum is 61.

The spelling of 345984425287 in words is "three hundred forty-five billion, nine hundred eighty-four million, four hundred twenty-five thousand, two hundred eighty-seven".