828041771 has 2 divisors, whose sum is σ = 828041772. Its totient is φ = 828041770.

The previous prime is 828041749. The next prime is 828041779. The reversal of 828041771 is 177140828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 828041771 - 2¹⁰ = 828040747 is a prime.

It is not a weakly prime, because it can be changed into another prime (828041779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414020885 + 414020886.

It is an arithmetic number, because the mean of its divisors is an integer number (414020886).

Almost surely, 2^828041771 is an apocalyptic number.

828041771 is a deficient number, since it is larger than the sum of its proper divisors (1).

828041771 is an equidigital number, since it uses as much as digits as its factorization.

828041771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 828041771 is about 28775.7149520216. The cubic root of 828041771 is about 939.0399776867.

The spelling of 828041771 in words is "eight hundred twenty-eight million, forty-one thousand, seven hundred seventy-one".