676767654343477 has 2 divisors, whose sum is σ = 676767654343478. Its totient is φ = 676767654343476.

The previous prime is 676767654343387. The next prime is 676767654343511. The reversal of 676767654343477 is 774343456767676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426215446940196 + 250552207403281 = 20644986^2 + 15828841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676767654343477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676767654343477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676767654343177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338383827171738 + 338383827171739.

It is an arithmetic number, because the mean of its divisors is an integer number (338383827171739).

Almost surely, 2^{676767654343477} is an apocalyptic number.

It is an amenable number.

676767654343477 is a deficient number, since it is larger than the sum of its proper divisors (1).

676767654343477 is an equidigital number, since it uses as much as digits as its factorization.

676767654343477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62731791360, while the sum is 82.

The spelling of 676767654343477 in words is "six hundred seventy-six trillion, seven hundred sixty-seven billion, six hundred fifty-four million, three hundred forty-three thousand, four hundred seventy-seven".