499990775 has 6 divisors (see below), whose sum is σ = 619988592. Its totient is φ = 399992600.

The previous prime is 499990759. The next prime is 499990781. The reversal of 499990775 is 577099994.

It is not a de Polignac number, because 499990775 - 2⁴ = 499990759 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 9999791 + ... + 9999840.

It is an arithmetic number, because the mean of its divisors is an integer number (103331432).

Almost surely, 2^499990775 is an apocalyptic number.

499990775 is a deficient number, since it is larger than the sum of its proper divisors (119997817).

499990775 is a wasteful number, since it uses less digits than its factorization.

499990775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19999641 (or 19999636 counting only the distinct ones).

The product of its (nonzero) digits is 6429780, while the sum is 59.

The square root of 499990775 is about 22360.4734967755. The cubic root of 499990775 is about 793.6956446958.

The spelling of 499990775 in words is "four hundred ninety-nine million, nine hundred ninety thousand, seven hundred seventy-five".