345417771 has 8 divisors (see below), whose sum is σ = 461226304. Its totient is φ = 229943880.

The previous prime is 345417767. The next prime is 345417797. The reversal of 345417771 is 177714543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345417771 - 2² = 345417767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345410771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81241 + ... + 85386.

It is an arithmetic number, because the mean of its divisors is an integer number (57653288).

Almost surely, 2^345417771 is an apocalyptic number.

345417771 is a deficient number, since it is larger than the sum of its proper divisors (115808533).

345417771 is a wasteful number, since it uses less digits than its factorization.

345417771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167321.

The product of its digits is 82320, while the sum is 39.

The square root of 345417771 is about 18585.4182358106. The cubic root of 345417771 is about 701.6408927015.

The spelling of 345417771 in words is "three hundred forty-five million, four hundred seventeen thousand, seven hundred seventy-one".