827086775165 has 16 divisors (see below), whose sum is σ = 1201013402112. Its totient is φ = 533783733504.

The previous prime is 827086775153. The next prime is 827086775189. The reversal of 827086775165 is 561577680728.

It is not a de Polignac number, because 827086775165 - 2⁴ = 827086775149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827086775098 and 827086775107.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 695030309 + ... + 695031498.

It is an arithmetic number, because the mean of its divisors is an integer number (75063337632).

Almost surely, 2^827086775165 is an apocalyptic number.

827086775165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

827086775165 is a deficient number, since it is larger than the sum of its proper divisors (373926626947).

827086775165 is a wasteful number, since it uses less digits than its factorization.

827086775165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390061836.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 827086775165 in words is "eight hundred twenty-seven billion, eighty-six million, seven hundred seventy-five thousand, one hundred sixty-five".