677646460427 has 16 divisors (see below), whose sum is σ = 684599672832. Its totient is φ = 670720266720.

The previous prime is 677646460369. The next prime is 677646460429. The reversal of 677646460427 is 724064646776.

It is a cyclic number.

It is not a de Polignac number, because 677646460427 - 2⁸ = 677646460171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677646460429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159032477 + ... + 159036737.

It is an arithmetic number, because the mean of its divisors is an integer number (42787479552).

Almost surely, 2^677646460427 is an apocalyptic number.

677646460427 is a deficient number, since it is larger than the sum of its proper divisors (6953212405).

677646460427 is a wasteful number, since it uses less digits than its factorization.

677646460427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058.

The product of its (nonzero) digits is 56899584, while the sum is 59.

The spelling of 677646460427 in words is "six hundred seventy-seven billion, six hundred forty-six million, four hundred sixty thousand, four hundred twenty-seven".