677255544 has 96 divisors (see below), whose sum is σ = 2099934720. Its totient is φ = 193163328.

The previous prime is 677255533. The next prime is 677255569. The reversal of 677255544 is 445552776.

677255544 is a `hidden beast` number, since 6 + 77 + 25 + 554 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 677255544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494749 + ... + 496115.

It is an arithmetic number, because the mean of its divisors is an integer number (21874320).

Almost surely, 2^677255544 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 677255544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049967360).

677255544 is an abundant number, since it is smaller than the sum of its proper divisors (1422679176).

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

677255544 is a wasteful number, since it uses less digits than its factorization.

677255544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2362 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 677255544 is about 26024.1338760774. The cubic root of 677255544 is about 878.1813093394.

The spelling of 677255544 in words is "six hundred seventy-seven million, two hundred fifty-five thousand, five hundred forty-four".