345858584817 has 4 divisors (see below), whose sum is σ = 461144779760. Its totient is φ = 230572389876.

The previous prime is 345858584759. The next prime is 345858584879. The reversal of 345858584817 is 718485858543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 345858584817 - 2¹⁰ = 345858583793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345858584017) 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 in 3 ways as a sum of consecutive naturals, for example, 57643097467 + ... + 57643097472.

It is an arithmetic number, because the mean of its divisors is an integer number (115286194940).

Almost surely, 2^345858584817 is an apocalyptic number.

It is an amenable number.

345858584817 is a deficient number, since it is larger than the sum of its proper divisors (115286194943).

345858584817 is a wasteful number, since it uses less digits than its factorization.

345858584817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115286194942.

The product of its digits is 172032000, while the sum is 66.

The spelling of 345858584817 in words is "three hundred forty-five billion, eight hundred fifty-eight million, five hundred eighty-four thousand, eight hundred seventeen".