5681777 has 2 divisors, whose sum is σ = 5681778. Its totient is φ = 5681776.

The previous prime is 5681761. The next prime is 5681803. The reversal of 5681777 is 7771865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5340721 + 341056 = 2311^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681777 - 2⁴ = 5681761 is a prime.

It is a super-3 number, since 3×5681777³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5681707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840888 + 2840889.

It is an arithmetic number, because the mean of its divisors is an integer number (2840889).

Almost surely, 2^5681777 is an apocalyptic number.

It is an amenable number.

5681777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681777 is an equidigital number, since it uses as much as digits as its factorization.

5681777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 41.

The square root of 5681777 is about 2383.6478347273. The cubic root of 5681777 is about 178.4410327603.

The spelling of 5681777 in words is "five million, six hundred eighty-one thousand, seven hundred seventy-seven".