827148667 has 2 divisors, whose sum is σ = 827148668. Its totient is φ = 827148666.

The previous prime is 827148661. The next prime is 827148677. The reversal of 827148667 is 766841728.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827148667 - 2¹⁵ = 827115899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 827148667.

It is not a weakly prime, because it can be changed into another prime (827148661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413574333 + 413574334.

It is an arithmetic number, because the mean of its divisors is an integer number (413574334).

Almost surely, 2^827148667 is an apocalyptic number.

827148667 is a deficient number, since it is larger than the sum of its proper divisors (1).

827148667 is an equidigital number, since it uses as much as digits as its factorization.

827148667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 827148667 is about 28760.1924019990. The cubic root of 827148667 is about 938.7022483236.

The spelling of 827148667 in words is "eight hundred twenty-seven million, one hundred forty-eight thousand, six hundred sixty-seven".