677347728848 has 40 divisors (see below), whose sum is σ = 1503181915200. Its totient is φ = 289645332480.

The previous prime is 677347728821. The next prime is 677347728851. The reversal of 677347728848 is 848827743776.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6684398 + ... + 6784973.

It is an arithmetic number, because the mean of its divisors is an integer number (37579547880).

Almost surely, 2^677347728848 is an apocalyptic number.

It is an amenable number.

677347728848 is an abundant number, since it is smaller than the sum of its proper divisors (825834186352).

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

677347728848 is a wasteful number, since it uses less digits than its factorization.

677347728848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469835 (or 13469829 counting only the distinct ones).

The product of its digits is 708083712, while the sum is 71.

The spelling of 677347728848 in words is "six hundred seventy-seven billion, three hundred forty-seven million, seven hundred twenty-eight thousand, eight hundred forty-eight".