677856828658776 has 64 divisors (see below), whose sum is σ = 1825011493240320. Its totient is φ = 208569921705600.

The previous prime is 677856828658759. The next prime is 677856828658781.

677856828658776 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39349951 + ... + 53890001.

It is an arithmetic number, because the mean of its divisors is an integer number (28515804581880).

Almost surely, 2^{677856828658776} is an apocalyptic number.

It is an amenable number.

677856828658776 is an abundant number, since it is smaller than the sum of its proper divisors (1147154664581544).

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

677856828658776 is a wasteful number, since it uses less digits than its factorization.

677856828658776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689496 (or 14689492 counting only the distinct ones).

The product of its digits is 637275340800, while the sum is 96.

The spelling of 677856828658776 in words is "six hundred seventy-seven trillion, eight hundred fifty-six billion, eight hundred twenty-eight million, six hundred fifty-eight thousand, seven hundred seventy-six".