674888647 has 2 divisors, whose sum is σ = 674888648. Its totient is φ = 674888646.

The previous prime is 674888633. The next prime is 674888653. The reversal of 674888647 is 746888476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674888647 - 2¹¹ = 674886599 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674888591 and 674888600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674883647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337444323 + 337444324.

It is an arithmetic number, because the mean of its divisors is an integer number (337444324).

Almost surely, 2^674888647 is an apocalyptic number.

674888647 is a deficient number, since it is larger than the sum of its proper divisors (1).

674888647 is an equidigital number, since it uses as much as digits as its factorization.

674888647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14450688, while the sum is 58.

The square root of 674888647 is about 25978.6190356608. The cubic root of 674888647 is about 877.1570820486.

The spelling of 674888647 in words is "six hundred seventy-four million, eight hundred eighty-eight thousand, six hundred forty-seven".