831794291055 has 384 divisors, whose sum is σ = 1941209948160. Its totient is φ = 334534717440.

The previous prime is 831794291051. The next prime is 831794291089. The reversal of 831794291055 is 550192497138.

It is a happy number.

It is not a de Polignac number, because 831794291055 - 2² = 831794291051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 831794290992 and 831794291010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831794291051) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 178609287 + ... + 178613943.

It is an arithmetic number, because the mean of its divisors is an integer number (5055234240).

Almost surely, 2^831794291055 is an apocalyptic number.

831794291055 is an abundant number, since it is smaller than the sum of its proper divisors (1109415657105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

831794291055 is a wasteful number, since it uses less digits than its factorization.

831794291055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 831794291055 in words is "eight hundred thirty-one billion, seven hundred ninety-four million, two hundred ninety-one thousand, fifty-five".