538612787 has 2 divisors, whose sum is σ = 538612788. Its totient is φ = 538612786.

The previous prime is 538612783. The next prime is 538612807. The reversal of 538612787 is 787216835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538612787 - 2² = 538612783 is a prime.

It is not a weakly prime, because it can be changed into another prime (538612783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269306393 + 269306394.

It is an arithmetic number, because the mean of its divisors is an integer number (269306394).

Almost surely, 2^538612787 is an apocalyptic number.

538612787 is a deficient number, since it is larger than the sum of its proper divisors (1).

538612787 is an equidigital number, since it uses as much as digits as its factorization.

538612787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The square root of 538612787 is about 23208.0328119382. The cubic root of 538612787 is about 813.6273767548.

The spelling of 538612787 in words is "five hundred thirty-eight million, six hundred twelve thousand, seven hundred eighty-seven".