677919544 has 64 divisors (see below), whose sum is σ = 1397412000. Its totient is φ = 307077120.

The previous prime is 677919533. The next prime is 677919559. The reversal of 677919544 is 445919776.

It is a junction number, because it is equal to n+sod(n) for n = 677919491 and 677919500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497424 + ... + 498784.

Almost surely, 2^677919544 is an apocalyptic number.

It is an amenable number.

677919544 is an abundant number, since it is smaller than the sum of its proper divisors (719492456).

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

677919544 is a wasteful number, since it uses less digits than its factorization.

677919544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1524 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 677919544 is about 26036.8881397144. Note that the first 3 decimals coincide. The cubic root of 677919544 is about 878.4682133162.

The spelling of 677919544 in words is "six hundred seventy-seven million, nine hundred nineteen thousand, five hundred forty-four".