345077911 has 4 divisors (see below), whose sum is σ = 345378352. Its totient is φ = 344777472.

The previous prime is 345077903. The next prime is 345077921. The reversal of 345077911 is 119770543.

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 345077911 - 2³ = 345077903 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 (345077921) 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, 148491 + ... + 150796.

It is an arithmetic number, because the mean of its divisors is an integer number (86344588).

Almost surely, 2^345077911 is an apocalyptic number.

345077911 is a deficient number, since it is larger than the sum of its proper divisors (300441).

345077911 is a wasteful number, since it uses less digits than its factorization.

345077911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300440.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 345077911 is about 18576.2727962312. The cubic root of 345077911 is about 701.4107000245.

The spelling of 345077911 in words is "three hundred forty-five million, seventy-seven thousand, nine hundred eleven".