674791353827 has 2 divisors, whose sum is σ = 674791353828. Its totient is φ = 674791353826.

The previous prime is 674791353811. The next prime is 674791353893. The reversal of 674791353827 is 728353197476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674791353827 - 2⁴ = 674791353811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674791353827.

It is not a weakly prime, because it can be changed into another prime (674791353127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337395676913 + 337395676914.

It is an arithmetic number, because the mean of its divisors is an integer number (337395676914).

Almost surely, 2^674791353827 is an apocalyptic number.

674791353827 is a deficient number, since it is larger than the sum of its proper divisors (1).

674791353827 is an equidigital number, since it uses as much as digits as its factorization.

674791353827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53343360, while the sum is 62.

The spelling of 674791353827 in words is "six hundred seventy-four billion, seven hundred ninety-one million, three hundred fifty-three thousand, eight hundred twenty-seven".