497768008 has 8 divisors (see below), whose sum is σ = 933315030. Its totient is φ = 248884000.

The previous prime is 497767999. The next prime is 497768009. The reversal of 497768008 is 800867794.

It can be written as a sum of positive squares in only one way, i.e., 329858244 + 167909764 = 18162^2 + 12958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (497768009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31110493 + ... + 31110508.

Almost surely, 2^497768008 is an apocalyptic number.

It is an amenable number.

497768008 is a deficient number, since it is larger than the sum of its proper divisors (435547022).

497768008 is a wasteful number, since it uses less digits than its factorization.

497768008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62221007 (or 62221003 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 497768008 is about 22310.7150938736. The cubic root of 497768008 is about 792.5177421086.

The spelling of 497768008 in words is "four hundred ninety-seven million, seven hundred sixty-eight thousand, eight".