674337776666 has 4 divisors (see below), whose sum is σ = 1011506665002. Its totient is φ = 337168888332.

The previous prime is 674337776659. The next prime is 674337776669. The reversal of 674337776666 is 666677733476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 535122973441 + 139214803225 = 731521^2 + 373115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 674337776596 and 674337776605.

It is not an unprimeable number, because it can be changed into a prime (674337776669) 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, 168584444165 + ... + 168584444168.

Almost surely, 2^674337776666 is an apocalyptic number.

674337776666 is a deficient number, since it is larger than the sum of its proper divisors (337168888336).

674337776666 is a wasteful number, since it uses less digits than its factorization.

674337776666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337168888335.

The product of its digits is 672126336, while the sum is 68.

The spelling of 674337776666 in words is "six hundred seventy-four billion, three hundred thirty-seven million, seven hundred seventy-six thousand, six hundred sixty-six".