831672961 has 8 divisors (see below), whose sum is σ = 950664704. Its totient is φ = 712726560.

The previous prime is 831672953. The next prime is 831672971. The reversal of 831672961 is 169276138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 831672961 - 2³ = 831672953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831672901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50416 + ... + 64846.

It is an arithmetic number, because the mean of its divisors is an integer number (118833088).

Almost surely, 2^831672961 is an apocalyptic number.

It is an amenable number.

831672961 is a deficient number, since it is larger than the sum of its proper divisors (118991743).

831672961 is a wasteful number, since it uses less digits than its factorization.

831672961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22671.

The product of its digits is 108864, while the sum is 43.

The square root of 831672961 is about 28838.7406278430. The cubic root of 831672961 is about 940.4106252610.

The spelling of 831672961 in words is "eight hundred thirty-one million, six hundred seventy-two thousand, nine hundred sixty-one".