677079783856 has 80 divisors (see below), whose sum is σ = 1597718882304. Its totient is φ = 271655062272.

The previous prime is 677079783851. The next prime is 677079783859. The reversal of 677079783856 is 658387970776.

It is not an unprimeable number, because it can be changed into a prime (677079783851) 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, 2675115 + ... + 2917258.

Almost surely, 2^677079783856 is an apocalyptic number.

It is an amenable number.

677079783856 is an abundant number, since it is smaller than the sum of its proper divisors (920639098448).

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

677079783856 is a wasteful number, since it uses less digits than its factorization.

677079783856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592458 (or 5592452 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 73.

The spelling of 677079783856 in words is "six hundred seventy-seven billion, seventy-nine million, seven hundred eighty-three thousand, eight hundred fifty-six".