827148677 has 2 divisors, whose sum is σ = 827148678. Its totient is φ = 827148676.

The previous prime is 827148667. The next prime is 827148703. The reversal of 827148677 is 776841728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452880961 + 374267716 = 21281^2 + 19346^2 .

It is a cyclic number.

It is not a de Polignac number, because 827148677 - 2⁴ = 827148661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827148667) 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, 413574338 + 413574339.

It is an arithmetic number, because the mean of its divisors is an integer number (413574339).

Almost surely, 2^827148677 is an apocalyptic number.

It is an amenable number.

827148677 is a deficient number, since it is larger than the sum of its proper divisors (1).

827148677 is an equidigital number, since it uses as much as digits as its factorization.

827148677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 50.

The square root of 827148677 is about 28760.1925758504. The cubic root of 827148677 is about 938.7022521064.

The spelling of 827148677 in words is "eight hundred twenty-seven million, one hundred forty-eight thousand, six hundred seventy-seven".