677671223640 has 64 divisors (see below), whose sum is σ = 2033067859200. Its totient is φ = 180707509632.

The previous prime is 677671223627. The next prime is 677671223651. The reversal of 677671223640 is 46322176776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8497471 + ... + 8576849.

It is an arithmetic number, because the mean of its divisors is an integer number (31766685300).

Almost surely, 2^677671223640 is an apocalyptic number.

677671223640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677671223640 is an abundant number, since it is smaller than the sum of its proper divisors (1355396635560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677671223640 is a wasteful number, since it uses less digits than its factorization.

677671223640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150536 (or 150532 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 677671223640 in words is "six hundred seventy-seven billion, six hundred seventy-one million, two hundred twenty-three thousand, six hundred forty".