497840864 has 12 divisors (see below), whose sum is σ = 980124264. Its totient is φ = 248920416.

The previous prime is 497840851. The next prime is 497840897. The reversal of 497840864 is 468048794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7778732 + ... + 7778795.

It is an arithmetic number, because the mean of its divisors is an integer number (81677022).

Almost surely, 2^497840864 is an apocalyptic number.

It is an amenable number.

497840864 is a deficient number, since it is larger than the sum of its proper divisors (482283400).

497840864 is a wasteful number, since it uses less digits than its factorization.

497840864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557537 (or 15557529 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 497840864 is about 22312.3477921979. The cubic root of 497840864 is about 792.5564059405.

The spelling of 497840864 in words is "four hundred ninety-seven million, eight hundred forty thousand, eight hundred sixty-four".