827826274388 has 12 divisors (see below), whose sum is σ = 1448711609940. Its totient is φ = 413908671552.

The previous prime is 827826274369. The next prime is 827826274409. The reversal of 827826274388 is 883472628728.

It can be written as a sum of positive squares in 2 ways, for example, as 349739766544 + 478086507844 = 591388^2 + 691438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680393 + ... + 1455536.

It is an arithmetic number, because the mean of its divisors is an integer number (120725967495).

Almost surely, 2^827826274388 is an apocalyptic number.

It is an amenable number.

827826274388 is a deficient number, since it is larger than the sum of its proper divisors (620885335552).

827826274388 is a wasteful number, since it uses less digits than its factorization.

827826274388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232826 (or 2232824 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 65.

The spelling of 827826274388 in words is "eight hundred twenty-seven billion, eight hundred twenty-six million, two hundred seventy-four thousand, three hundred eighty-eight".