499978333 has 2 divisors, whose sum is σ = 499978334. Its totient is φ = 499978332.

The previous prime is 499978307. The next prime is 499978351. The reversal of 499978333 is 333879994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499835449 + 142884 = 22357^2 + 378^2 .

It is a cyclic number.

It is not a de Polignac number, because 499978333 - 2¹⁷ = 499847261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499978363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249989166 + 249989167.

It is an arithmetic number, because the mean of its divisors is an integer number (249989167).

Almost surely, 2^499978333 is an apocalyptic number.

It is an amenable number.

499978333 is a deficient number, since it is larger than the sum of its proper divisors (1).

499978333 is an equidigital number, since it uses as much as digits as its factorization.

499978333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The square root of 499978333 is about 22360.1952809004. The cubic root of 499978333 is about 793.6890610790.

The spelling of 499978333 in words is "four hundred ninety-nine million, nine hundred seventy-eight thousand, three hundred thirty-three".