677594009 has 2 divisors, whose sum is σ = 677594010. Its totient is φ = 677594008.

The previous prime is 677593997. The next prime is 677594023. The reversal of 677594009 is 900495776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570015625 + 107578384 = 23875^2 + 10372^2 .

It is a cyclic number.

It is not a de Polignac number, because 677594009 - 2⁴ = 677593993 is a prime.

It is a super-3 number, since 3×677594009³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677594059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338797004 + 338797005.

It is an arithmetic number, because the mean of its divisors is an integer number (338797005).

Almost surely, 2^677594009 is an apocalyptic number.

It is an amenable number.

677594009 is a deficient number, since it is larger than the sum of its proper divisors (1).

677594009 is an equidigital number, since it uses as much as digits as its factorization.

677594009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 677594009 is about 26030.6359699489. The cubic root of 677594009 is about 878.3275781730.

The spelling of 677594009 in words is "six hundred seventy-seven million, five hundred ninety-four thousand, nine".