827899268356 has 12 divisors (see below), whose sum is σ = 1448836818268. Its totient is φ = 413945891712.

The previous prime is 827899268327. The next prime is 827899268381. The reversal of 827899268356 is 653862998728.

It can be written as a sum of positive squares in 2 ways, for example, as 444408889600 + 383490378756 = 666640^2 + 619266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404361 + ... + 1348816.

Almost surely, 2^827899268356 is an apocalyptic number.

It is an amenable number.

827899268356 is a deficient number, since it is larger than the sum of its proper divisors (620937549912).

827899268356 is a wasteful number, since it uses less digits than its factorization.

827899268356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871238 (or 1871236 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 73.

The spelling of 827899268356 in words is "eight hundred twenty-seven billion, eight hundred ninety-nine million, two hundred sixty-eight thousand, three hundred fifty-six".