827904827 has 2 divisors, whose sum is σ = 827904828. Its totient is φ = 827904826.

The previous prime is 827904799. The next prime is 827904851. The reversal of 827904827 is 728409728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 827904827 - 2²⁶ = 760795963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (827904887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413952413 + 413952414.

It is an arithmetic number, because the mean of its divisors is an integer number (413952414).

Almost surely, 2^827904827 is an apocalyptic number.

827904827 is a deficient number, since it is larger than the sum of its proper divisors (1).

827904827 is an equidigital number, since it uses as much as digits as its factorization.

827904827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 827904827 is about 28773.3353471578. The cubic root of 827904827 is about 938.9882077620.

The spelling of 827904827 in words is "eight hundred twenty-seven million, nine hundred four thousand, eight hundred twenty-seven".