827276673749 has 2 divisors, whose sum is σ = 827276673750. Its totient is φ = 827276673748.

The previous prime is 827276673719. The next prime is 827276673799. The reversal of 827276673749 is 947376672728.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539610714724 + 287665959025 = 734582^2 + 536345^2 .

It is a cyclic number.

It is not a de Polignac number, because 827276673749 - 2⁸ = 827276673493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827276673719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413638336874 + 413638336875.

It is an arithmetic number, because the mean of its divisors is an integer number (413638336875).

Almost surely, 2^827276673749 is an apocalyptic number.

It is an amenable number.

827276673749 is a deficient number, since it is larger than the sum of its proper divisors (1).

827276673749 is an equidigital number, since it uses as much as digits as its factorization.

827276673749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 298722816, while the sum is 68.

The spelling of 827276673749 in words is "eight hundred twenty-seven billion, two hundred seventy-six million, six hundred seventy-three thousand, seven hundred forty-nine".