499808783 has 2 divisors, whose sum is σ = 499808784. Its totient is φ = 499808782.

The previous prime is 499808779. The next prime is 499808797. The reversal of 499808783 is 387808994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499808783 - 2² = 499808779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499808713) 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 as a sum of consecutive naturals, namely, 249904391 + 249904392.

It is an arithmetic number, because the mean of its divisors is an integer number (249904392).

Almost surely, 2^499808783 is an apocalyptic number.

499808783 is a deficient number, since it is larger than the sum of its proper divisors (1).

499808783 is an equidigital number, since it uses as much as digits as its factorization.

499808783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 499808783 is about 22356.4036240179. The cubic root of 499808783 is about 793.5993337276.

The spelling of 499808783 in words is "four hundred ninety-nine million, eight hundred eight thousand, seven hundred eighty-three".