677700736667 has 2 divisors, whose sum is σ = 677700736668. Its totient is φ = 677700736666.

The previous prime is 677700736639. The next prime is 677700736673. The reversal of 677700736667 is 766637007776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677700736667 - 2⁸ = 677700736411 is a prime.

It is not a weakly prime, because it can be changed into another prime (677700736267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338850368333 + 338850368334.

It is an arithmetic number, because the mean of its divisors is an integer number (338850368334).

Almost surely, 2^677700736667 is an apocalyptic number.

677700736667 is a deficient number, since it is larger than the sum of its proper divisors (1).

677700736667 is an equidigital number, since it uses as much as digits as its factorization.

677700736667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65345616, while the sum is 62.

The spelling of 677700736667 in words is "six hundred seventy-seven billion, seven hundred million, seven hundred thirty-six thousand, six hundred sixty-seven".