5777644 has 6 divisors (see below), whose sum is σ = 10110884. Its totient is φ = 2888820.

The previous prime is 5777633. The next prime is 5777657. The reversal of 5777644 is 4467775.

It is a d-powerful number, because it can be written as 5 + 7⁴ + 7⁴ + 7⁸ + 6⁵ + 4 + 4⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 5777597 and 5777606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722202 + ... + 722209.

Almost surely, 2^5777644 is an apocalyptic number.

It is an amenable number.

5777644 is a deficient number, since it is larger than the sum of its proper divisors (4333240).

5777644 is a wasteful number, since it uses less digits than its factorization.

5777644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444415 (or 1444413 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 5777644 is about 2403.6730226884. The cubic root of 5777644 is about 179.4390354803.

The spelling of 5777644 in words is "five million, seven hundred seventy-seven thousand, six hundred forty-four".