520116979 has 8 divisors (see below), whose sum is σ = 529325280. Its totient is φ = 510983616.

The previous prime is 520116967. The next prime is 520116983. The reversal of 520116979 is 979611025.

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

It is a cyclic number.

It is not a de Polignac number, because 520116979 - 2²⁵ = 486562547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520116959) 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, 4639 + ... + 32584.

It is an arithmetic number, because the mean of its divisors is an integer number (66165660).

Almost surely, 2^520116979 is an apocalyptic number.

520116979 is a deficient number, since it is larger than the sum of its proper divisors (9208301).

520116979 is a wasteful number, since it uses less digits than its factorization.

520116979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37469.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 520116979 is about 22806.0732919983. The cubic root of 520116979 is about 804.2054472580.

The spelling of 520116979 in words is "five hundred twenty million, one hundred sixteen thousand, nine hundred seventy-nine".