499779559 has 8 divisors (see below), whose sum is σ = 513974160. Its totient is φ = 485761536.

The previous prime is 499779557. The next prime is 499779563. The reversal of 499779559 is 955977994.

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

It is not a de Polignac number, because 499779559 - 2¹ = 499779557 is a prime.

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 499779559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499779557) 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, 38394 + ... + 49735.

It is an arithmetic number, because the mean of its divisors is an integer number (64246770).

Almost surely, 2^499779559 is an apocalyptic number.

499779559 is a deficient number, since it is larger than the sum of its proper divisors (14194601).

499779559 is a wasteful number, since it uses less digits than its factorization.

499779559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88289.

The product of its digits is 32148900, while the sum is 64.

The square root of 499779559 is about 22355.7500209678. The cubic root of 499779559 is about 793.5838660796.

It can be divided in two parts, 49977 and 9559, that added together give a square (59536 = 244²).

The spelling of 499779559 in words is "four hundred ninety-nine million, seven hundred seventy-nine thousand, five hundred fifty-nine".