538368979 has 4 divisors (see below), whose sum is σ = 538561584. Its totient is φ = 538176376.

The previous prime is 538368977. The next prime is 538368983. The reversal of 538368979 is 979863835.

538368979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979863835 = 5 ⋅195972767.

It is a cyclic number.

It is not a de Polignac number, because 538368979 - 2¹ = 538368977 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538368977) 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, 92047 + ... + 97720.

It is an arithmetic number, because the mean of its divisors is an integer number (134640396).

Almost surely, 2^538368979 is an apocalyptic number.

538368979 is a deficient number, since it is larger than the sum of its proper divisors (192605).

538368979 is a wasteful number, since it uses less digits than its factorization.

538368979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192604.

The product of its digits is 9797760, while the sum is 58.

The square root of 538368979 is about 23202.7795533208. The cubic root of 538368979 is about 813.5045929375.

The spelling of 538368979 in words is "five hundred thirty-eight million, three hundred sixty-eight thousand, nine hundred seventy-nine".