497579666 has 8 divisors (see below), whose sum is σ = 746506044. Its totient is φ = 248744320.

The previous prime is 497579653. The next prime is 497579671. The reversal of 497579666 is 666975794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 496621225 + 958441 = 22285^2 + 979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875 + ... + 32286.

Almost surely, 2^497579666 is an apocalyptic number.

497579666 is a deficient number, since it is larger than the sum of its proper divisors (248926378).

497579666 is a wasteful number, since it uses less digits than its factorization.

497579666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45516.

The product of its digits is 17146080, while the sum is 59.

The square root of 497579666 is about 22306.4938078578. The cubic root of 497579666 is about 792.4177737137.

The spelling of 497579666 in words is "four hundred ninety-seven million, five hundred seventy-nine thousand, six hundred sixty-six".