673000666677 has 6 divisors (see below), whose sum is σ = 972112074102. Its totient is φ = 448667111112.

The previous prime is 673000666649. The next prime is 673000666697. The reversal of 673000666677 is 776666000376.

It can be written as a sum of positive squares in only one way, i.e., 531252934641 + 141747732036 = 728871^2 + 376494^2 .

It is not a de Polignac number, because 673000666677 - 2¹⁵ = 673000633909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673000666697) 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 in 5 ways as a sum of consecutive naturals, for example, 37388925918 + ... + 37388925935.

It is an arithmetic number, because the mean of its divisors is an integer number (162018679017).

Almost surely, 2^673000666677 is an apocalyptic number.

It is an amenable number.

673000666677 is a deficient number, since it is larger than the sum of its proper divisors (299111407425).

673000666677 is a wasteful number, since it uses less digits than its factorization.

673000666677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74777851859 (or 74777851856 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 54.

The spelling of 673000666677 in words is "six hundred seventy-three billion, six hundred sixty-six thousand, six hundred seventy-seven".