871131579 has 8 divisors (see below), whose sum is σ = 1162117392. Its totient is φ = 580450080.

The previous prime is 871131553. The next prime is 871131581. The reversal of 871131579 is 975131178.

It is a happy number.

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

It is not a de Polignac number, because 871131579 - 2⁷ = 871131451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871131579.

It is not an unprimeable number, because it can be changed into a prime (871136579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69312 + ... + 80909.

It is an arithmetic number, because the mean of its divisors is an integer number (145264674).

Almost surely, 2^871131579 is an apocalyptic number.

871131579 is a deficient number, since it is larger than the sum of its proper divisors (290985813).

871131579 is a wasteful number, since it uses less digits than its factorization.

871131579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152157.

The product of its digits is 52920, while the sum is 42.

The square root of 871131579 is about 29514.9382347312. The cubic root of 871131579 is about 955.0539808490.

The spelling of 871131579 in words is "eight hundred seventy-one million, one hundred thirty-one thousand, five hundred seventy-nine".