538008764 has 6 divisors (see below), whose sum is σ = 941515344. Its totient is φ = 269004380.

The previous prime is 538008763. The next prime is 538008781. The reversal of 538008764 is 467800835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538008761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67251092 + ... + 67251099.

It is an arithmetic number, because the mean of its divisors is an integer number (156919224).

Almost surely, 2^538008764 is an apocalyptic number.

It is an amenable number.

538008764 is a deficient number, since it is larger than the sum of its proper divisors (403506580).

538008764 is a wasteful number, since it uses less digits than its factorization.

538008764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134502195 (or 134502193 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 538008764 is about 23195.0159301519. The cubic root of 538008764 is about 813.3231176865.

The spelling of 538008764 in words is "five hundred thirty-eight million, eight thousand, seven hundred sixty-four".