832131957 has 4 divisors (see below), whose sum is σ = 1109509280. Its totient is φ = 554754636.

The previous prime is 832131947. The next prime is 832132079. The reversal of 832131957 is 759131238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 832131957 - 2¹⁰ = 832130933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (832131907) 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, 138688657 + ... + 138688662.

It is an arithmetic number, because the mean of its divisors is an integer number (277377320).

Almost surely, 2^832131957 is an apocalyptic number.

It is an amenable number.

832131957 is a deficient number, since it is larger than the sum of its proper divisors (277377323).

832131957 is a wasteful number, since it uses less digits than its factorization.

832131957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277377322.

The product of its digits is 45360, while the sum is 39.

The square root of 832131957 is about 28846.6975059538. The cubic root of 832131957 is about 940.5835960289.

The spelling of 832131957 in words is "eight hundred thirty-two million, one hundred thirty-one thousand, nine hundred fifty-seven".