674955871 has 2 divisors, whose sum is σ = 674955872. Its totient is φ = 674955870.

The previous prime is 674955859. The next prime is 674955877. The reversal of 674955871 is 178559476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674955871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674955877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337477935 + 337477936.

It is an arithmetic number, because the mean of its divisors is an integer number (337477936).

Almost surely, 2^674955871 is an apocalyptic number.

674955871 is a deficient number, since it is larger than the sum of its proper divisors (1).

674955871 is an equidigital number, since it uses as much as digits as its factorization.

674955871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 52.

The square root of 674955871 is about 25979.9128366513. The cubic root of 674955871 is about 877.1862049023.

The spelling of 674955871 in words is "six hundred seventy-four million, nine hundred fifty-five thousand, eight hundred seventy-one".