497816679 has 4 divisors (see below), whose sum is σ = 663755576. Its totient is φ = 331877784.

The previous prime is 497816677. The next prime is 497816747. The reversal of 497816679 is 976618794.

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

It is not a de Polignac number, because 497816679 - 2¹ = 497816677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497816677) 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, 82969444 + ... + 82969449.

It is an arithmetic number, because the mean of its divisors is an integer number (165938894).

Almost surely, 2^497816679 is an apocalyptic number.

497816679 is a deficient number, since it is larger than the sum of its proper divisors (165938897).

497816679 is a wasteful number, since it uses less digits than its factorization.

497816679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165938896.

The product of its digits is 4572288, while the sum is 57.

The square root of 497816679 is about 22311.8058211342. The cubic root of 497816679 is about 792.5435716606.

The spelling of 497816679 in words is "four hundred ninety-seven million, eight hundred sixteen thousand, six hundred seventy-nine".