497687870 has 8 divisors (see below), whose sum is σ = 895838184. Its totient is φ = 199075144.

The previous prime is 497687867. The next prime is 497687899. The reversal of 497687870 is 78786794.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24884384 + ... + 24884403.

It is an arithmetic number, because the mean of its divisors is an integer number (111979773).

Almost surely, 2^497687870 is an apocalyptic number.

497687870 is a deficient number, since it is larger than the sum of its proper divisors (398150314).

497687870 is a wasteful number, since it uses less digits than its factorization.

497687870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49768794.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 497687870 is about 22308.9190683906. The cubic root of 497687870 is about 792.4752094465.

The spelling of 497687870 in words is "four hundred ninety-seven million, six hundred eighty-seven thousand, eight hundred seventy".