345067783 has 2 divisors, whose sum is σ = 345067784. Its totient is φ = 345067782.

The previous prime is 345067777. The next prime is 345067799. The reversal of 345067783 is 387760543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345067783 is a prime.

It is equal to p_18552769 and since 345067783 and 18552769 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345077783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172533891 + 172533892.

It is an arithmetic number, because the mean of its divisors is an integer number (172533892).

Almost surely, 2^345067783 is an apocalyptic number.

345067783 is a deficient number, since it is larger than the sum of its proper divisors (1).

345067783 is an equidigital number, since it uses as much as digits as its factorization.

345067783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 345067783 is about 18576.0001884152. Note that the first 3 decimals coincide. The cubic root of 345067783 is about 701.4038378475.

The spelling of 345067783 in words is "three hundred forty-five million, sixty-seven thousand, seven hundred eighty-three".