677744344 has 8 divisors (see below), whose sum is σ = 1270770660. Its totient is φ = 338872168.

The previous prime is 677744341. The next prime is 677744363. The reversal of 677744344 is 443447776.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 677744294 and 677744303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677744341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42359014 + ... + 42359029.

Almost surely, 2^677744344 is an apocalyptic number.

It is an amenable number.

677744344 is a deficient number, since it is larger than the sum of its proper divisors (593026316).

677744344 is a wasteful number, since it uses less digits than its factorization.

677744344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84718049 (or 84718045 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 46.

The square root of 677744344 is about 26033.5234649480. The cubic root of 677744344 is about 878.3925303472.

The spelling of 677744344 in words is "six hundred seventy-seven million, seven hundred forty-four thousand, three hundred forty-four".