675897977 has 2 divisors, whose sum is σ = 675897978. Its totient is φ = 675897976.

The previous prime is 675897961. The next prime is 675898057. The reversal of 675897977 is 779798576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608066281 + 67831696 = 24659^2 + 8236^2 .

It is a cyclic number.

It is not a de Polignac number, because 675897977 - 2⁴ = 675897961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (675897077) 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, 337948988 + 337948989.

It is an arithmetic number, because the mean of its divisors is an integer number (337948989).

Almost surely, 2^675897977 is an apocalyptic number.

It is an amenable number.

675897977 is a deficient number, since it is larger than the sum of its proper divisors (1).

675897977 is an equidigital number, since it uses as much as digits as its factorization.

675897977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46675440, while the sum is 65.

The square root of 675897977 is about 25998.0379451989. The cubic root of 675897977 is about 877.5941417870.

The spelling of 675897977 in words is "six hundred seventy-five million, eight hundred ninety-seven thousand, nine hundred seventy-seven".