5217777 has 20 divisors (see below), whose sum is σ = 8009716. Its totient is φ = 3382560.

The previous prime is 5217763. The next prime is 5217781. The reversal of 5217777 is 7777125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 3370896 = 1359^2 + 1836^2 .

It is not a de Polignac number, because 5217777 - 2⁷ = 5217649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217787) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2127 + ... + 3867.

Almost surely, 2^5217777 is an apocalyptic number.

It is an amenable number.

5217777 is a deficient number, since it is larger than the sum of its proper divisors (2791939).

5217777 is a wasteful number, since it uses less digits than its factorization.

5217777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1781 counting only the distinct ones).

The product of its digits is 24010, while the sum is 36.

The square root of 5217777 is about 2284.2453896200. The cubic root of 5217777 is about 173.4450212954.

The spelling of 5217777 in words is "five million, two hundred seventeen thousand, seven hundred seventy-seven".