827580867228 has 72 divisors (see below), whose sum is σ = 2311300057248. Its totient is φ = 248344808448.

The previous prime is 827580867227. The next prime is 827580867229. The reversal of 827580867228 is 822768085728.

827580867228 is a `hidden beast` number, since 8 + 27 + 580 + 8 + 6 + 7 + 2 + 28 = 666.

827580867228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (827580867227) and next prime (827580867229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827580867227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29382801 + ... + 29410952.

It is an arithmetic number, because the mean of its divisors is an integer number (32101389684).

Almost surely, 2^827580867228 is an apocalyptic number.

It is an amenable number.

827580867228 is an abundant number, since it is smaller than the sum of its proper divisors (1483719190020).

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

827580867228 is a wasteful number, since it uses less digits than its factorization.

827580867228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793803 (or 58793798 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 827580867228 in words is "eight hundred twenty-seven billion, five hundred eighty million, eight hundred sixty-seven thousand, two hundred twenty-eight".