497999979 has 12 divisors (see below), whose sum is σ = 750608976. Its totient is φ = 317565072.

The previous prime is 497999959. The next prime is 498000059. The reversal of 497999979 is 979999794.

It is not a de Polignac number, because 497999979 - 2⁵ = 497999947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497999959) 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 11 ways as a sum of consecutive naturals, for example, 1202692 + ... + 1203105.

It is an arithmetic number, because the mean of its divisors is an integer number (62550748).

Almost surely, 2^497999979 is an apocalyptic number.

497999979 is a deficient number, since it is larger than the sum of its proper divisors (252608997).

497999979 is a wasteful number, since it uses less digits than its factorization.

497999979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405826 (or 2405823 counting only the distinct ones).

The product of its digits is 104162436, while the sum is 72.

The square root of 497999979 is about 22315.9131339051. The cubic root of 497999979 is about 792.6408333074.

The spelling of 497999979 in words is "four hundred ninety-seven million, nine hundred ninety-nine thousand, nine hundred seventy-nine".