677443344776 has 32 divisors (see below), whose sum is σ = 1399964942880. Its totient is φ = 304754265600.

The previous prime is 677443344737. The next prime is 677443344779.

677443344776 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (677443344779) 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 7 ways as a sum of consecutive naturals, for example, 39673010 + ... + 39690081.

It is an arithmetic number, because the mean of its divisors is an integer number (43748904465).

Almost surely, 2^677443344776 is an apocalyptic number.

It is an amenable number.

677443344776 is an abundant number, since it is smaller than the sum of its proper divisors (722521598104).

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

677443344776 is a wasteful number, since it uses less digits than its factorization.

677443344776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79363205 (or 79363201 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 62.

The spelling of 677443344776 in words is "six hundred seventy-seven billion, four hundred forty-three million, three hundred forty-four thousand, seven hundred seventy-six".