673662305677 has 2 divisors, whose sum is σ = 673662305678. Its totient is φ = 673662305676.

The previous prime is 673662305671. The next prime is 673662305831. The reversal of 673662305677 is 776503266376.

It is a happy number.

673662305677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473150003881 + 200512301796 = 687859^2 + 447786^2 .

It is a cyclic number.

It is not a de Polignac number, because 673662305677 - 2³ = 673662305669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673662305671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336831152838 + 336831152839.

It is an arithmetic number, because the mean of its divisors is an integer number (336831152839).

Almost surely, 2^673662305677 is an apocalyptic number.

It is an amenable number.

673662305677 is a deficient number, since it is larger than the sum of its proper divisors (1).

673662305677 is an equidigital number, since it uses as much as digits as its factorization.

673662305677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40007520, while the sum is 58.

The spelling of 673662305677 in words is "six hundred seventy-three billion, six hundred sixty-two million, three hundred five thousand, six hundred seventy-seven".