674918879 has 2 divisors, whose sum is σ = 674918880. Its totient is φ = 674918878.

The previous prime is 674918863. The next prime is 674918891. The reversal of 674918879 is 978819476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674918879 - 2⁴ = 674918863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674911879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337459439 + 337459440.

It is an arithmetic number, because the mean of its divisors is an integer number (337459440).

Almost surely, 2^674918879 is an apocalyptic number.

674918879 is a deficient number, since it is larger than the sum of its proper divisors (1).

674918879 is an equidigital number, since it uses as much as digits as its factorization.

674918879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 674918879 is about 25979.2008922522. The cubic root of 674918879 is about 877.1701794275.

The spelling of 674918879 in words is "six hundred seventy-four million, nine hundred eighteen thousand, eight hundred seventy-nine".