821476712 has 16 divisors (see below), whose sum is σ = 1760307360. Its totient is φ = 352061424.

The previous prime is 821476709. The next prime is 821476741. The reversal of 821476712 is 217674128.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7334558 + ... + 7334669.

It is an arithmetic number, because the mean of its divisors is an integer number (110019210).

Almost surely, 2^821476712 is an apocalyptic number.

It is an amenable number.

821476712 is an abundant number, since it is smaller than the sum of its proper divisors (938830648).

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

821476712 is a wasteful number, since it uses less digits than its factorization.

821476712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14669240 (or 14669236 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 821476712 is about 28661.4150383403. The cubic root of 821476712 is about 936.5516903714.

The spelling of 821476712 in words is "eight hundred twenty-one million, four hundred seventy-six thousand, seven hundred twelve".