677647007 has 4 divisors (see below), whose sum is σ = 677988000. Its totient is φ = 677306016.

The previous prime is 677647001. The next prime is 677647043. The reversal of 677647007 is 700746776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677647007 - 2⁸ = 677646751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677647001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167498 + ... + 171495.

It is an arithmetic number, because the mean of its divisors is an integer number (169497000).

Almost surely, 2^677647007 is an apocalyptic number.

677647007 is a deficient number, since it is larger than the sum of its proper divisors (340993).

677647007 is a wasteful number, since it uses less digits than its factorization.

677647007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340992.

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 677647007 is about 26031.6539428443. The cubic root of 677647007 is about 878.3504770332.

The spelling of 677647007 in words is "six hundred seventy-seven million, six hundred forty-seven thousand, seven".