538889771 has 16 divisors (see below), whose sum is σ = 641710080. Its totient is φ = 442808640.

The previous prime is 538889713. The next prime is 538889779. The reversal of 538889771 is 177988835.

It is a cyclic number.

It is not a de Polignac number, because 538889771 - 2⁶ = 538889707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538889779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11615 + ... + 34823.

It is an arithmetic number, because the mean of its divisors is an integer number (40106880).

Almost surely, 2^538889771 is an apocalyptic number.

538889771 is a deficient number, since it is larger than the sum of its proper divisors (102820309).

538889771 is a wasteful number, since it uses less digits than its factorization.

538889771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23354.

The product of its digits is 3386880, while the sum is 56.

The square root of 538889771 is about 23213.9994615318. Note that the first 3 decimals coincide. The cubic root of 538889771 is about 813.7668233422.

It can be divided in two parts, 5388 and 89771, that added together give a palindrome (95159).

The spelling of 538889771 in words is "five hundred thirty-eight million, eight hundred eighty-nine thousand, seven hundred seventy-one".