342708785872 has 20 divisors (see below), whose sum is σ = 664007563296. Its totient is φ = 171351995360.

The previous prime is 342708785869. The next prime is 342708785873. The reversal of 342708785872 is 278587807243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 342708785872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342708785873) 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, 1791723 + ... + 1973749.

Almost surely, 2^342708785872 is an apocalyptic number.

It is an amenable number.

342708785872 is a deficient number, since it is larger than the sum of its proper divisors (321298777424).

342708785872 is a wasteful number, since it uses less digits than its factorization.

342708785872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299706 (or 299700 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 61.

The spelling of 342708785872 in words is "three hundred forty-two billion, seven hundred eight million, seven hundred eighty-five thousand, eight hundred seventy-two".