677974479776 has 48 divisors (see below), whose sum is σ = 1472465070720. Its totient is φ = 304707617280.

The previous prime is 677974479751. The next prime is 677974479797.

677974479776 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 677974479776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789256 + ... + 10851911.

It is an arithmetic number, because the mean of its divisors is an integer number (30676355640).

Almost surely, 2^677974479776 is an apocalyptic number.

It is an amenable number.

677974479776 is an abundant number, since it is smaller than the sum of its proper divisors (794490590944).

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

677974479776 is a wasteful number, since it uses less digits than its factorization.

677974479776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641277 (or 21641269 counting only the distinct ones).

The product of its digits is 5489031744, while the sum is 80.

The spelling of 677974479776 in words is "six hundred seventy-seven billion, nine hundred seventy-four million, four hundred seventy-nine thousand, seven hundred seventy-six".