499987775 has 12 divisors (see below), whose sum is σ = 708554352. Its totient is φ = 342848640.

The previous prime is 499987759. The next prime is 499987783. The reversal of 499987775 is 577789994.

It is not a de Polignac number, because 499987775 - 2⁴ = 499987759 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428362 + ... + 1428711.

It is an arithmetic number, because the mean of its divisors is an integer number (59046196).

Almost surely, 2^499987775 is an apocalyptic number.

499987775 is a deficient number, since it is larger than the sum of its proper divisors (208566577).

499987775 is a wasteful number, since it uses less digits than its factorization.

499987775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857090 (or 2857085 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 65.

The square root of 499987775 is about 22360.4064140167. The cubic root of 499987775 is about 793.6940572721.

The spelling of 499987775 in words is "four hundred ninety-nine million, nine hundred eighty-seven thousand, seven hundred seventy-five".