538664711 has 8 divisors (see below), whose sum is σ = 598813824. Its totient is φ = 481188960.

The previous prime is 538664639. The next prime is 538664713. The reversal of 538664711 is 117466835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538664711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538664713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667916 + ... + 668721.

It is an arithmetic number, because the mean of its divisors is an integer number (74851728).

Almost surely, 2^538664711 is an apocalyptic number.

538664711 is a deficient number, since it is larger than the sum of its proper divisors (60149113).

538664711 is a wasteful number, since it uses less digits than its factorization.

538664711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336681.

The product of its digits is 120960, while the sum is 41.

The square root of 538664711 is about 23209.1514493744. The cubic root of 538664711 is about 813.6535213442.

The spelling of 538664711 in words is "five hundred thirty-eight million, six hundred sixty-four thousand, seven hundred eleven".