842855259107 has 4 divisors (see below), whose sum is σ = 842857197696. Its totient is φ = 842853320520.

The previous prime is 842855259097. The next prime is 842855259121. The reversal of 842855259107 is 701952558248.

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 842855259107 - 2⁸ = 842855258851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842855259157) 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, 18257 + ... + 1298477.

It is an arithmetic number, because the mean of its divisors is an integer number (210714299424).

Almost surely, 2^842855259107 is an apocalyptic number.

842855259107 is a deficient number, since it is larger than the sum of its proper divisors (1938589).

842855259107 is a wasteful number, since it uses less digits than its factorization.

842855259107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938588.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 842855259107 in words is "eight hundred forty-two billion, eight hundred fifty-five million, two hundred fifty-nine thousand, one hundred seven".