827244061173 has 12 divisors (see below), whose sum is σ = 1194929906508. Its totient is φ = 551485970880.

The previous prime is 827244061169. The next prime is 827244061243. The reversal of 827244061173 is 371160442728.

827244061173 is a `hidden beast` number, since 8 + 2 + 7 + 24 + 4 + 0 + 611 + 7 + 3 = 666.

827244061173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 523397265444 + 303846795729 = 723462^2 + 551223^2 .

It is not a de Polignac number, because 827244061173 - 2² = 827244061169 is a prime.

It is a super-2 number, since 2×827244061173² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827244061373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300690 + ... + 1320947.

It is an arithmetic number, because the mean of its divisors is an integer number (99577492209).

Almost surely, 2^827244061173 is an apocalyptic number.

It is an amenable number.

827244061173 is a deficient number, since it is larger than the sum of its proper divisors (367685845335).

827244061173 is a wasteful number, since it uses less digits than its factorization.

827244061173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678324 (or 1678321 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 827244061173 in words is "eight hundred twenty-seven billion, two hundred forty-four million, sixty-one thousand, one hundred seventy-three".