499590778 has 16 divisors (see below), whose sum is σ = 759953376. Its totient is φ = 246285360.

The previous prime is 499590739. The next prime is 499590803. The reversal of 499590778 is 877095994.

It is a happy number.

It is an unprimeable number.

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, 87025 + ... + 92587.

It is an arithmetic number, because the mean of its divisors is an integer number (47497086).

Almost surely, 2^499590778 is an apocalyptic number.

499590778 is a deficient number, since it is larger than the sum of its proper divisors (260362598).

499590778 is a wasteful number, since it uses less digits than its factorization.

499590778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The square root of 499590778 is about 22351.5274198431. The cubic root of 499590778 is about 793.4839337394.

The spelling of 499590778 in words is "four hundred ninety-nine million, five hundred ninety thousand, seven hundred seventy-eight".