345308679 has 24 divisors (see below), whose sum is σ = 539230640. Its totient is φ = 212191488.

The previous prime is 345308669. The next prime is 345308681. The reversal of 345308679 is 976803543.

345308679 is a `hidden beast` number, since 34 + 530 + 86 + 7 + 9 = 666.

It is not a de Polignac number, because 345308679 - 2⁵ = 345308647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345308669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20962 + ... + 33615.

Almost surely, 2^345308679 is an apocalyptic number.

345308679 is a deficient number, since it is larger than the sum of its proper divisors (193921961).

345308679 is a wasteful number, since it uses less digits than its factorization.

345308679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54639 (or 54636 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 345308679 is about 18582.4831225539. The cubic root of 345308679 is about 701.5670193861.

The spelling of 345308679 in words is "three hundred forty-five million, three hundred eight thousand, six hundred seventy-nine".