827311716551 has 8 divisors (see below), whose sum is σ = 851044168080. Its totient is φ = 803651511168.

The previous prime is 827311716529. The next prime is 827311716557. The reversal of 827311716551 is 155617113728.

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

It is a cyclic number.

It is not a de Polignac number, because 827311716551 - 2¹⁴ = 827311700167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827311716496 and 827311716505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827311716557) 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, 18038306 + ... + 18084111.

It is an arithmetic number, because the mean of its divisors is an integer number (106380521010).

Almost surely, 2^827311716551 is an apocalyptic number.

827311716551 is a deficient number, since it is larger than the sum of its proper divisors (23732451529).

827311716551 is a wasteful number, since it uses less digits than its factorization.

827311716551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36123073.

The product of its digits is 352800, while the sum is 47.

The spelling of 827311716551 in words is "eight hundred twenty-seven billion, three hundred eleven million, seven hundred sixteen thousand, five hundred fifty-one".