538777 has 2 divisors, whose sum is σ = 538778. Its totient is φ = 538776.

The previous prime is 538771. The next prime is 538789. The reversal of 538777 is 777835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488601 + 50176 = 699^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 538777 - 2⁷ = 538649 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5³ + 3¹² + 7⁴ + 8 + 7⁴ + 7⁴ .

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (538771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269388 + 269389.

It is an arithmetic number, because the mean of its divisors is an integer number (269389).

2⁵³⁸⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

538777 is a deficient number, since it is larger than the sum of its proper divisors (1).

538777 is an equidigital number, since it uses as much as digits as its factorization.

538777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 37.

The square root of 538777 is about 734.0143050377. The cubic root of 538777 is about 81.3710054961.

The spelling of 538777 in words is "five hundred thirty-eight thousand, seven hundred seventy-seven".