842655956854 has 16 divisors (see below), whose sum is σ = 1341776404800. Its totient is φ = 395524580224.

The previous prime is 842655956801. The next prime is 842655956929. The reversal of 842655956854 is 458659556248.

It is a self number, because there is not a number n which added to its sum of digits gives 842655956854.

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, 31842814 + ... + 31869265.

It is an arithmetic number, because the mean of its divisors is an integer number (83861025300).

Almost surely, 2^842655956854 is an apocalyptic number.

842655956854 is a deficient number, since it is larger than the sum of its proper divisors (499120447946).

842655956854 is a wasteful number, since it uses less digits than its factorization.

842655956854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63712487.

The product of its digits is 414720000, while the sum is 67.

The spelling of 842655956854 in words is "eight hundred forty-two billion, six hundred fifty-five million, nine hundred fifty-six thousand, eight hundred fifty-four".