831620068 has 12 divisors (see below), whose sum is σ = 1486300032. Its totient is φ = 406962920.

The previous prime is 831620047. The next prime is 831620071. The reversal of 831620068 is 860026138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211568 + ... + 2211943.

It is an arithmetic number, because the mean of its divisors is an integer number (123858336).

Almost surely, 2^831620068 is an apocalyptic number.

It is an amenable number.

831620068 is a deficient number, since it is larger than the sum of its proper divisors (654679964).

831620068 is a wasteful number, since it uses less digits than its factorization.

831620068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423562 (or 4423560 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 831620068 is about 28837.8235655883. The cubic root of 831620068 is about 940.3906886609.

The spelling of 831620068 in words is "eight hundred thirty-one million, six hundred twenty thousand, sixty-eight".