827618342271 has 8 divisors (see below), whose sum is σ = 1261132712064. Its totient is φ = 472924767000.

The previous prime is 827618342267. The next prime is 827618342279. The reversal of 827618342271 is 172243816728.

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 827618342271 - 2² = 827618342267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827618342279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19705198605 + ... + 19705198646.

It is an arithmetic number, because the mean of its divisors is an integer number (157641589008).

Almost surely, 2^827618342271 is an apocalyptic number.

827618342271 is a deficient number, since it is larger than the sum of its proper divisors (433514369793).

827618342271 is a wasteful number, since it uses less digits than its factorization.

827618342271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410397261.

The product of its digits is 1806336, while the sum is 51.

The spelling of 827618342271 in words is "eight hundred twenty-seven billion, six hundred eighteen million, three hundred forty-two thousand, two hundred seventy-one".