499978383 has 4 divisors (see below), whose sum is σ = 666637848. Its totient is φ = 333318920.

The previous prime is 499978363. The next prime is 499978397. The reversal of 499978383 is 383879994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499978383 - 2⁵ = 499978351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499978333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83329728 + ... + 83329733.

It is an arithmetic number, because the mean of its divisors is an integer number (166659462).

Almost surely, 2^499978383 is an apocalyptic number.

499978383 is a deficient number, since it is larger than the sum of its proper divisors (166659465).

499978383 is a wasteful number, since it uses less digits than its factorization.

499978383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166659464.

The product of its digits is 11757312, while the sum is 60.

The square root of 499978383 is about 22360.1963989586. The cubic root of 499978383 is about 793.6890875364.

The spelling of 499978383 in words is "four hundred ninety-nine million, nine hundred seventy-eight thousand, three hundred eighty-three".