499882789 has 4 divisors (see below), whose sum is σ = 571294624. Its totient is φ = 428470956.

The previous prime is 499882771. The next prime is 499882853. The reversal of 499882789 is 987288994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987288994 = 2 ⋅493644497.

It is a cyclic number.

It is not a de Polignac number, because 499882789 - 2⁹ = 499882277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499882789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499882709) 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 in 3 ways as a sum of consecutive naturals, for example, 35705907 + ... + 35705920.

It is an arithmetic number, because the mean of its divisors is an integer number (142823656).

Almost surely, 2^499882789 is an apocalyptic number.

It is an amenable number.

499882789 is a deficient number, since it is larger than the sum of its proper divisors (71411835).

499882789 is an equidigital number, since it uses as much as digits as its factorization.

499882789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71411834.

The product of its digits is 20901888, while the sum is 64.

The square root of 499882789 is about 22358.0587037426. The cubic root of 499882789 is about 793.6385008489.

The spelling of 499882789 in words is "four hundred ninety-nine million, eight hundred eighty-two thousand, seven hundred eighty-nine".