497663979 has 8 divisors (see below), whose sum is σ = 698475840. Its totient is φ = 314314056.

The previous prime is 497663977. The next prime is 497663993. The reversal of 497663979 is 979366794.

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

It is not a de Polignac number, because 497663979 - 2¹ = 497663977 is a prime.

It is a super-2 number, since 2×497663979² = 495338871988224882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497663977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365417 + ... + 4365530.

It is an arithmetic number, because the mean of its divisors is an integer number (87309480).

Almost surely, 2^497663979 is an apocalyptic number.

497663979 is a deficient number, since it is larger than the sum of its proper divisors (200811861).

497663979 is a wasteful number, since it uses less digits than its factorization.

497663979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730969.

The product of its digits is 15431472, while the sum is 60.

The square root of 497663979 is about 22308.3836034797. The cubic root of 497663979 is about 792.4625285882.

The spelling of 497663979 in words is "four hundred ninety-seven million, six hundred sixty-three thousand, nine hundred seventy-nine".