827067979 has 2 divisors, whose sum is σ = 827067980. Its totient is φ = 827067978.

The previous prime is 827067961. The next prime is 827067991. The reversal of 827067979 is 979760728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 827067979 - 2⁷ = 827067851 is a prime.

It is not a weakly prime, because it can be changed into another prime (827067779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413533989 + 413533990.

It is an arithmetic number, because the mean of its divisors is an integer number (413533990).

Almost surely, 2^827067979 is an apocalyptic number.

827067979 is a deficient number, since it is larger than the sum of its proper divisors (1).

827067979 is an equidigital number, since it uses as much as digits as its factorization.

827067979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 827067979 is about 28758.7895955306. The cubic root of 827067979 is about 938.6717239962.

The spelling of 827067979 in words is "eight hundred twenty-seven million, sixty-seven thousand, nine hundred seventy-nine".