5577678 has 48 divisors (see below), whose sum is σ = 13029120. Its totient is φ = 1718928.

The previous prime is 5577673. The next prime is 5577679. The reversal of 5577678 is 8767755.

5577678 is a `hidden beast` number, since 5 + 577 + 6 + 78 = 666.

It is a super-2 number, since 2×5577678² = 62220983743368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5577673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15901 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (271440).

Almost surely, 2^5577678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5577678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6514560).

5577678 is an abundant number, since it is smaller than the sum of its proper divisors (7451442).

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

5577678 is a wasteful number, since it uses less digits than its factorization.

5577678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 418 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 5577678 is about 2361.7108205705. The cubic root of 5577678 is about 177.3445362298.

The spelling of 5577678 in words is "five million, five hundred seventy-seven thousand, six hundred seventy-eight".