345788887543 has 4 divisors (see below), whose sum is σ = 377224240968. Its totient is φ = 314353534120.

The previous prime is 345788887541. The next prime is 345788887571.

345788887543 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 345788887543 - 2¹ = 345788887541 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 (345788887541) 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, 15717676696 + ... + 15717676717.

It is an arithmetic number, because the mean of its divisors is an integer number (94306060242).

Almost surely, 2^345788887543 is an apocalyptic number.

345788887543 is a deficient number, since it is larger than the sum of its proper divisors (31435353425).

345788887543 is a wasteful number, since it uses less digits than its factorization.

345788887543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31435353424.

The product of its digits is 722534400, while the sum is 70.

The spelling of 345788887543 in words is "three hundred forty-five billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, five hundred forty-three".