538722771 has 16 divisors (see below), whose sum is σ = 731053344. Its totient is φ = 352825344.

The previous prime is 538722757. The next prime is 538722773. The reversal of 538722771 is 177227835.

It is not a de Polignac number, because 538722771 - 2⁹ = 538722259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538722773) 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 in 15 ways as a sum of consecutive naturals, for example, 33111 + ... + 46623.

It is an arithmetic number, because the mean of its divisors is an integer number (45690834).

Almost surely, 2^538722771 is an apocalyptic number.

538722771 is a deficient number, since it is larger than the sum of its proper divisors (192330573).

538722771 is a wasteful number, since it uses less digits than its factorization.

538722771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750.

The product of its digits is 164640, while the sum is 42.

The square root of 538722771 is about 23210.4022153861. The cubic root of 538722771 is about 813.6827535210.

The spelling of 538722771 in words is "five hundred thirty-eight million, seven hundred twenty-two thousand, seven hundred seventy-one".