827971814412 has 60 divisors (see below), whose sum is σ = 2164934005696. Its totient is φ = 275932954080.

The previous prime is 827971814359. The next prime is 827971814419. The reversal of 827971814412 is 214418179728.

827971814412 is a `hidden beast` number, since 82 + 7 + 9 + 71 + 81 + 4 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (827971814419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1300758 + ... + 1829730.

Almost surely, 2^827971814412 is an apocalyptic number.

It is an amenable number.

827971814412 is an abundant number, since it is smaller than the sum of its proper divisors (1336962191284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827971814412 is a wasteful number, since it uses less digits than its factorization.

827971814412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533820 (or 533809 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The spelling of 827971814412 in words is "eight hundred twenty-seven billion, nine hundred seventy-one million, eight hundred fourteen thousand, four hundred twelve".