538488847 has 4 divisors (see below), whose sum is σ = 579911080. Its totient is φ = 497066616.

The previous prime is 538488833. The next prime is 538488869. The reversal of 538488847 is 748884835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538488847 - 2¹¹ = 538486799 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 (538488877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20711097 + ... + 20711122.

It is an arithmetic number, because the mean of its divisors is an integer number (144977770).

Almost surely, 2^538488847 is an apocalyptic number.

538488847 is a deficient number, since it is larger than the sum of its proper divisors (41422233).

538488847 is a wasteful number, since it uses less digits than its factorization.

538488847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41422232.

The product of its digits is 6881280, while the sum is 55.

The square root of 538488847 is about 23205.3624621552. The cubic root of 538488847 is about 813.5649641303.

The spelling of 538488847 in words is "five hundred thirty-eight million, four hundred eighty-eight thousand, eight hundred forty-seven".