538466077 has 2 divisors, whose sum is σ = 538466078. Its totient is φ = 538466076.

The previous prime is 538466039. The next prime is 538466083. The reversal of 538466077 is 770664835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423783396 + 114682681 = 20586^2 + 10709^2 .

It is a cyclic number.

It is not a de Polignac number, because 538466077 - 2²⁷ = 404248349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538466017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269233038 + 269233039.

It is an arithmetic number, because the mean of its divisors is an integer number (269233039).

Almost surely, 2^538466077 is an apocalyptic number.

It is an amenable number.

538466077 is a deficient number, since it is larger than the sum of its proper divisors (1).

538466077 is an equidigital number, since it uses as much as digits as its factorization.

538466077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 538466077 is about 23204.8718376120. The cubic root of 538466077 is about 813.5534967710.

The spelling of 538466077 in words is "five hundred thirty-eight million, four hundred sixty-six thousand, seventy-seven".