677240544 has 96 divisors (see below), whose sum is σ = 1825195680. Its totient is φ = 219801600.

The previous prime is 677240533. The next prime is 677240591. The reversal of 677240544 is 445042776.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 637774 + ... + 638834.

It is an arithmetic number, because the mean of its divisors is an integer number (19012455).

Almost surely, 2^677240544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677240544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912597840).

677240544 is an abundant number, since it is smaller than the sum of its proper divisors (1147955136).

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

677240544 is a wasteful number, since it uses less digits than its factorization.

677240544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 677240544 is about 26023.8456804524. The cubic root of 677240544 is about 878.1748259093.

The spelling of 677240544 in words is "six hundred seventy-seven million, two hundred forty thousand, five hundred forty-four".