677321344 has 128 divisors (see below), whose sum is σ = 1665619200. Its totient is φ = 267730944.

The previous prime is 677321339. The next prime is 677321363. The reversal of 677321344 is 443123776.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806877 + ... + 807715.

It is an arithmetic number, because the mean of its divisors is an integer number (13012650).

Almost surely, 2^677321344 is an apocalyptic number.

677321344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677321344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832809600).

677321344 is an abundant number, since it is smaller than the sum of its proper divisors (988297856).

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

677321344 is a wasteful number, since it uses less digits than its factorization.

677321344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 918 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 677321344 is about 26025.3980565139. The cubic root of 677321344 is about 878.2097488550.

The spelling of 677321344 in words is "six hundred seventy-seven million, three hundred twenty-one thousand, three hundred forty-four".