345688711 has 4 divisors (see below), whose sum is σ = 350848312. Its totient is φ = 340529112.

The previous prime is 345688709. The next prime is 345688747. The reversal of 345688711 is 117886543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117886543 = 59 ⋅1998077.

It is a cyclic number.

It is not a de Polignac number, because 345688711 - 2¹ = 345688709 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 (345688751) 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, 2579700 + ... + 2579833.

It is an arithmetic number, because the mean of its divisors is an integer number (87712078).

Almost surely, 2^345688711 is an apocalyptic number.

345688711 is a deficient number, since it is larger than the sum of its proper divisors (5159601).

345688711 is an equidigital number, since it uses as much as digits as its factorization.

345688711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159600.

The product of its digits is 161280, while the sum is 43.

The square root of 345688711 is about 18592.7058547163. The cubic root of 345688711 is about 701.8242966032.

The spelling of 345688711 in words is "three hundred forty-five million, six hundred eighty-eight thousand, seven hundred eleven".