499078839 has 16 divisors (see below), whose sum is σ = 760896512. Its totient is φ = 285039648.

The previous prime is 499078819. The next prime is 499078847. The reversal of 499078839 is 938870994.

It is not a de Polignac number, because 499078839 - 2⁷ = 499078711 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 (499078819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45057 + ... + 55029.

It is an arithmetic number, because the mean of its divisors is an integer number (47556032).

Almost surely, 2^499078839 is an apocalyptic number.

499078839 is a deficient number, since it is larger than the sum of its proper divisors (261817673).

499078839 is a wasteful number, since it uses less digits than its factorization.

499078839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12366.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 499078839 is about 22340.0724931680. The cubic root of 499078839 is about 793.2128090373.

The spelling of 499078839 in words is "four hundred ninety-nine million, seventy-eight thousand, eight hundred thirty-nine".