516728959 has 8 divisors (see below), whose sum is σ = 554189040. Its totient is φ = 480295296.

The previous prime is 516728929. The next prime is 516728969. The reversal of 516728959 is 959827615.

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 516728959 - 2¹³ = 516720767 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 (516728929) 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, 255562 + ... + 257575.

It is an arithmetic number, because the mean of its divisors is an integer number (69273630).

Almost surely, 2^516728959 is an apocalyptic number.

516728959 is a deficient number, since it is larger than the sum of its proper divisors (37460081).

516728959 is a wasteful number, since it uses less digits than its factorization.

516728959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513209.

The product of its digits is 1360800, while the sum is 52.

The square root of 516728959 is about 22731.6730356567. The cubic root of 516728959 is about 802.4554551932.

The spelling of 516728959 in words is "five hundred sixteen million, seven hundred twenty-eight thousand, nine hundred fifty-nine".