831479963 has 4 divisors (see below), whose sum is σ = 839552688. Its totient is φ = 823407240.

The previous prime is 831479933. The next prime is 831479981. The reversal of 831479963 is 369974138.

831479963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 831479963 - 2⁶ = 831479899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831479933) 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, 4036208 + ... + 4036413.

It is an arithmetic number, because the mean of its divisors is an integer number (209888172).

Almost surely, 2^831479963 is an apocalyptic number.

831479963 is a deficient number, since it is larger than the sum of its proper divisors (8072725).

831479963 is a wasteful number, since it uses less digits than its factorization.

831479963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072724.

The product of its digits is 979776, while the sum is 50.

The square root of 831479963 is about 28835.3942750919. The cubic root of 831479963 is about 940.3378757470.

The spelling of 831479963 in words is "eight hundred thirty-one million, four hundred seventy-nine thousand, nine hundred sixty-three".