345766667543 has 4 divisors (see below), whose sum is σ = 377200000968. Its totient is φ = 314333334120.

The previous prime is 345766667509. The next prime is 345766667549.

345766667543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345766667543 - 2⁸ = 345766667287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345766667549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15716666696 + ... + 15716666717.

It is an arithmetic number, because the mean of its divisors is an integer number (94300000242).

Almost surely, 2^345766667543 is an apocalyptic number.

345766667543 is a deficient number, since it is larger than the sum of its proper divisors (31433333425).

345766667543 is a wasteful number, since it uses less digits than its factorization.

345766667543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31433333424.

The product of its digits is 228614400, while the sum is 62.

The spelling of 345766667543 in words is "three hundred forty-five billion, seven hundred sixty-six million, six hundred sixty-seven thousand, five hundred forty-three".