677223645463 has 2 divisors, whose sum is σ = 677223645464. Its totient is φ = 677223645462.

The previous prime is 677223645431. The next prime is 677223645467. The reversal of 677223645463 is 364546322776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677223645463 - 2⁵ = 677223645431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677223645467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338611822731 + 338611822732.

It is an arithmetic number, because the mean of its divisors is an integer number (338611822732).

Almost surely, 2^677223645463 is an apocalyptic number.

677223645463 is a deficient number, since it is larger than the sum of its proper divisors (1).

677223645463 is an equidigital number, since it uses as much as digits as its factorization.

677223645463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 55.

The spelling of 677223645463 in words is "six hundred seventy-seven billion, two hundred twenty-three million, six hundred forty-five thousand, four hundred sixty-three".