425676677 has 2 divisors, whose sum is σ = 425676678. Its totient is φ = 425676676.

The previous prime is 425676611. The next prime is 425676689. The reversal of 425676677 is 776676524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386751556 + 38925121 = 19666^2 + 6239^2 .

It is a cyclic number.

It is not a de Polignac number, because 425676677 - 2¹² = 425672581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425676607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212838338 + 212838339.

It is an arithmetic number, because the mean of its divisors is an integer number (212838339).

Almost surely, 2^425676677 is an apocalyptic number.

It is an amenable number.

425676677 is a deficient number, since it is larger than the sum of its proper divisors (1).

425676677 is an equidigital number, since it uses as much as digits as its factorization.

425676677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 50.

The square root of 425676677 is about 20631.9334285471. The cubic root of 425676677 is about 752.2461122211.

The spelling of 425676677 in words is "four hundred twenty-five million, six hundred seventy-six thousand, six hundred seventy-seven".