499785611 has 8 divisors (see below), whose sum is σ = 538419840. Its totient is φ = 461178432.

The previous prime is 499785589. The next prime is 499785617. The reversal of 499785611 is 116587994.

Added to its reverse (116587994) it gives a triangular number (616373605 = T₃₅₁₁₀).

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

It is not a de Polignac number, because 499785611 - 2¹⁰ = 499784587 is a prime.

It is a super-3 number, since 3×499785611³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499785611.

It is not an unprimeable number, because it can be changed into a prime (499785617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48230 + ... + 57668.

It is an arithmetic number, because the mean of its divisors is an integer number (67302480).

Almost surely, 2^499785611 is an apocalyptic number.

499785611 is a deficient number, since it is larger than the sum of its proper divisors (38634229).

499785611 is a wasteful number, since it uses less digits than its factorization.

499785611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525.

The product of its digits is 544320, while the sum is 50.

The square root of 499785611 is about 22355.8853772334. The cubic root of 499785611 is about 793.5870693253.

Adding to 499785611 its reverse (116587994), we get a triangular number (616373605 = T₃₅₁₁₀).

The spelling of 499785611 in words is "four hundred ninety-nine million, seven hundred eighty-five thousand, six hundred eleven".