520899079 has 8 divisors (see below), whose sum is σ = 548766000. Its totient is φ = 493077312.

The previous prime is 520899077. The next prime is 520899089. The reversal of 520899079 is 970998025.

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 520899079 - 2¹ = 520899077 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 (520899077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13857 + ... + 35125.

It is an arithmetic number, because the mean of its divisors is an integer number (68595750).

Almost surely, 2^520899079 is an apocalyptic number.

520899079 is a deficient number, since it is larger than the sum of its proper divisors (27866921).

520899079 is a wasteful number, since it uses less digits than its factorization.

520899079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22577.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 520899079 is about 22823.2135993159. The cubic root of 520899079 is about 804.6083400100.

The spelling of 520899079 in words is "five hundred twenty million, eight hundred ninety-nine thousand, seventy-nine".