538116479 has 4 divisors (see below), whose sum is σ = 544928160. Its totient is φ = 531304800.

The previous prime is 538116451. The next prime is 538116503. The reversal of 538116479 is 974611835.

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 538116479 - 2⁸ = 538116223 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 (538116179) 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, 3405722 + ... + 3405879.

It is an arithmetic number, because the mean of its divisors is an integer number (136232040).

Almost surely, 2^538116479 is an apocalyptic number.

538116479 is a deficient number, since it is larger than the sum of its proper divisors (6811681).

538116479 is an equidigital number, since it uses as much as digits as its factorization.

538116479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811680.

The product of its digits is 181440, while the sum is 44.

The square root of 538116479 is about 23197.3377567341. The cubic root of 538116479 is about 813.3773926720.

The spelling of 538116479 in words is "five hundred thirty-eight million, one hundred sixteen thousand, four hundred seventy-nine".