677377144 has 32 divisors (see below), whose sum is σ = 1289463120. Its totient is φ = 333559296.

The previous prime is 677377111. The next prime is 677377199. The reversal of 677377144 is 441773776.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 677377094 and 677377103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145054 + ... + 149650.

Almost surely, 2^677377144 is an apocalyptic number.

It is an amenable number.

677377144 is a deficient number, since it is larger than the sum of its proper divisors (612085976).

677377144 is a wasteful number, since it uses less digits than its factorization.

677377144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879 (or 4875 counting only the distinct ones).

The product of its digits is 691488, while the sum is 46.

The square root of 677377144 is about 26026.4700641482. The cubic root of 677377144 is about 878.2338648126.

The spelling of 677377144 in words is "six hundred seventy-seven million, three hundred seventy-seven thousand, one hundred forty-four".