677163649325 has 6 divisors (see below), whose sum is σ = 839682925194. Its totient is φ = 541730919440.

The previous prime is 677163649237. The next prime is 677163649333. The reversal of 677163649325 is 523946361776.

It can be written as a sum of positive squares in 3 ways, for example, as 94692361 + 677068956964 = 9731^2 + 822842^2 .

It is not a de Polignac number, because 677163649325 - 2⁸ = 677163649069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13543272962 + ... + 13543273011.

It is an arithmetic number, because the mean of its divisors is an integer number (139947154199).

Almost surely, 2^677163649325 is an apocalyptic number.

It is an amenable number.

677163649325 is a deficient number, since it is larger than the sum of its proper divisors (162519275869).

677163649325 is a wasteful number, since it uses less digits than its factorization.

677163649325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27086545983 (or 27086545978 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 59.

The spelling of 677163649325 in words is "six hundred seventy-seven billion, one hundred sixty-three million, six hundred forty-nine thousand, three hundred twenty-five".