342678729805 has 8 divisors (see below), whose sum is σ = 414452385792. Its totient is φ = 271984377168.

The previous prime is 342678729781. The next prime is 342678729829. The reversal of 342678729805 is 508927876243.

It is an interprime number because it is at equal distance from previous prime (342678729781) and next prime (342678729829).

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

It is a cyclic number.

It is not a de Polignac number, because 342678729805 - 2²⁵ = 342645175373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269825137 + ... + 269826406.

It is an arithmetic number, because the mean of its divisors is an integer number (51806548224).

Almost surely, 2^342678729805 is an apocalyptic number.

It is an amenable number.

342678729805 is a deficient number, since it is larger than the sum of its proper divisors (71773655987).

342678729805 is a wasteful number, since it uses less digits than its factorization.

342678729805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539651675.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 342678729805 in words is "three hundred forty-two billion, six hundred seventy-eight million, seven hundred twenty-nine thousand, eight hundred five".